Human activities have significantly impacted the global environment, leading to challenges like and . These issues stem from , pollution, and resource overconsumption, affecting ecosystems and human well-being worldwide.

Addressing these challenges requires international cooperation, sustainable practices, and individual action. While the outlook is concerning, innovative solutions and increased awareness offer hope for a more sustainable future, balancing economic growth with environmental protection.

Impact of human activities

  • Human activities have had a significant impact on the global environment, leading to various challenges and consequences
  • These activities include deforestation, pollution, and overconsumption of resources, which have contributed to climate change, loss of biodiversity, and other environmental issues

Deforestation and habitat loss

Top images from around the web for Deforestation and habitat loss
Top images from around the web for Deforestation and habitat loss
  • Deforestation involves the clearing of forests for agriculture, logging, and urban development, resulting in the destruction of natural habitats
  • Habitat loss threatens the survival of numerous plant and animal species, as their homes and food sources are destroyed (Amazon rainforest, Indonesian forests)
  • Deforestation also contributes to soil erosion, reduced carbon sequestration, and disruption of water cycles

Pollution and waste

  • Pollution refers to the introduction of harmful substances into the environment, such as air pollutants, plastic waste, and chemical contaminants
  • Waste generation has increased dramatically due to population growth and consumerism, leading to overflowing landfills and marine pollution ()
  • Pollution has detrimental effects on human health, wildlife, and ecosystems, causing respiratory issues, water contamination, and ecosystem imbalances

Overconsumption of resources

  • Overconsumption occurs when the demand for resources exceeds the Earth's capacity to regenerate them sustainably
  • Fossil fuels, minerals, and freshwater are examples of resources that are being depleted at unsustainable rates
  • Overconsumption is driven by population growth, economic development, and unsustainable consumption patterns, leading to resource scarcity and environmental degradation

Climate change

  • Climate change refers to the long-term shifts in global weather patterns and temperatures, primarily caused by human activities
  • The consequences of climate change include rising sea levels, more frequent and intense , and changes in precipitation patterns

Greenhouse gas emissions

  • Greenhouse gases, such as carbon dioxide and methane, trap heat in the Earth's atmosphere, leading to global warming
  • Human activities, such as burning fossil fuels, deforestation, and industrial processes, are the primary sources of
  • The concentration of atmospheric carbon dioxide has increased significantly since the Industrial Revolution, accelerating the rate of climate change

Rising global temperatures

  • As a result of increased greenhouse gas emissions, global average temperatures have been rising steadily over the past century
  • Rising temperatures lead to the melting of polar ice caps and glaciers, , and changes in weather patterns
  • Higher temperatures also contribute to more frequent and intense heatwaves, droughts, and wildfires

Extreme weather events

  • Climate change is associated with an increase in the frequency and severity of extreme weather events, such as hurricanes, floods, and droughts
  • These events can cause significant damage to infrastructure, disrupt food production, and threaten human lives and livelihoods
  • Examples include (2005), the (2019-2020), and the (2003)

Sea level rise and coastal erosion

  • As global temperatures rise, the melting of land-based ice and thermal expansion of seawater contribute to sea level rise
  • Rising sea levels pose a threat to low-lying coastal areas and islands, increasing the risk of flooding, saltwater intrusion, and
  • Many coastal communities and ecosystems, such as mangroves and coral reefs, are vulnerable to the impacts of sea level rise (Maldives, Bangladesh)

Loss of biodiversity

  • Biodiversity refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variations within species
  • Human activities, such as habitat destruction, pollution, and climate change, are leading to a rapid loss of biodiversity worldwide

Endangered and extinct species

  • Many plant and animal species are facing the risk of extinction due to human-induced pressures on their habitats and populations
  • are those that are at risk of becoming extinct in the near future, while are those that have already disappeared (, )
  • The (IUCN) maintains a Red List of threatened species to assess and monitor their conservation status

Disruption of ecosystems

  • Ecosystems are complex networks of interactions between living organisms and their physical environment
  • The loss of biodiversity can disrupt the balance of ecosystems, affecting the provision of essential services such as pollination, nutrient cycling, and water purification
  • Examples of ecosystem disruption include the decline of coral reefs due to and the collapse of bee populations due to pesticide use

Importance of biodiversity

  • Biodiversity is essential for the functioning and resilience of ecosystems, as well as for human well-being and economic activities
  • Diverse ecosystems are more resilient to environmental changes and can better withstand disturbances such as climate change and invasive species
  • Biodiversity provides numerous benefits to humans, including food, medicine, clean air and water, and cultural and aesthetic values

Water scarcity and pollution

  • Water scarcity refers to the lack of sufficient water resources to meet the demands of a population, while water pollution involves the contamination of water bodies by harmful substances
  • These challenges have significant impacts on human health, agriculture, and the environment

Freshwater depletion

  • Freshwater resources, such as rivers, lakes, and aquifers, are being depleted at an unsustainable rate due to overexploitation, inefficient use, and climate change
  • Agriculture accounts for the majority of freshwater withdrawals, followed by industrial and domestic use
  • Groundwater depletion is a growing concern, as aquifers are being pumped faster than they can be replenished, leading to water shortages and land subsidence (, )

Water contamination

  • Water pollution occurs when harmful substances, such as chemicals, pathogens, and excess nutrients, enter water bodies
  • Sources of water pollution include industrial discharges, agricultural runoff, sewage, and oil spills
  • Water contamination can have severe consequences for aquatic ecosystems, human health, and economic activities that rely on clean water (, )

Impact on human health and agriculture

  • Water scarcity and pollution pose significant risks to human health, as access to clean water is essential for drinking, sanitation, and hygiene
  • Waterborne diseases, such as cholera and dysentery, can spread rapidly in areas with inadequate water and sanitation infrastructure
  • Agriculture is highly dependent on water resources, and water scarcity can lead to reduced crop yields, food insecurity, and economic losses

Sustainable development

  • aims to meet the needs of the present without compromising the ability of future generations to meet their own needs
  • It involves balancing economic growth, social well-being, and environmental protection to ensure long-term prosperity and resilience

Balancing economic growth and environmental protection

  • Economic growth has often come at the cost of environmental degradation, as industries and consumption patterns have relied heavily on fossil fuels and unsustainable practices
  • Sustainable development seeks to decouple economic growth from environmental harm by promoting clean technologies, resource efficiency, and circular economy principles
  • Governments and businesses are increasingly adopting sustainable development strategies to ensure long-term economic viability and environmental stewardship

Renewable energy sources

  • sources, such as solar, wind, hydro, and geothermal power, offer a clean and sustainable alternative to fossil fuels
  • Transitioning to renewable energy can help reduce greenhouse gas emissions, improve energy security, and create new economic opportunities
  • Many countries have set ambitious targets for increasing the share of renewable energy in their power mix (Germany, Costa Rica)

Sustainable agriculture and forestry

  • involves farming practices that maintain soil health, conserve water, and minimize the use of harmful chemicals
  • Agroforestry, crop rotation, and integrated pest management are examples of sustainable agricultural practices that can improve yields while reducing environmental impacts
  • practices, such as selective logging and reforestation, aim to balance timber production with forest conservation and ecosystem services

Eco-friendly transportation

  • Transportation is a major contributor to greenhouse gas emissions and air pollution, particularly in urban areas
  • solutions include electric vehicles, public transit systems, cycling infrastructure, and walkable cities
  • Governments and businesses are investing in sustainable transportation to reduce emissions, improve air quality, and create more livable and resilient communities

International cooperation

  • Addressing global environmental challenges requires international cooperation and collaboration among nations, as these issues transcend political boundaries
  • International agreements, institutions, and partnerships play a crucial role in coordinating efforts and setting common goals for environmental protection

Global environmental agreements

  • International environmental agreements, such as the on climate change and the , provide a framework for global action on pressing environmental issues
  • These agreements set targets, establish reporting mechanisms, and facilitate the sharing of knowledge and resources among participating countries
  • The effectiveness of these agreements depends on the level of commitment and implementation by signatories, as well as the availability of financial and technical support

Role of the United Nations

  • The United Nations (UN) plays a central role in facilitating international cooperation on environmental issues through its various agencies and programs
  • The (UNEP) is the leading global environmental authority, responsible for setting the global environmental agenda and promoting sustainable development
  • Other UN agencies, such as the (FAO) and the (WHO), address specific environmental challenges related to their mandates

Challenges in implementing policies

  • Implementing international environmental policies and agreements faces numerous challenges, including political, economic, and social barriers
  • Diverging national interests, unequal capacities, and competing priorities can hinder the adoption and enforcement of environmental measures
  • Lack of financial resources, technology transfer, and institutional capacity can also limit the effectiveness of environmental policies, particularly in developing countries

Developed vs developing countries

  • The responsibilities and capacities of developed and developing countries in addressing environmental challenges are often differentiated based on the principle of common but differentiated responsibilities
  • Developed countries, which have historically contributed more to environmental degradation, are expected to take the lead in reducing emissions and providing support to developing countries
  • Developing countries face the dual challenge of pursuing economic development while also adapting to the impacts of environmental change and transitioning to sustainable practices

Environmental movements and activism

  • Environmental movements and activism have played a significant role in raising awareness about environmental issues and advocating for policy change
  • These movements have evolved over time, reflecting the changing nature of environmental challenges and the growing urgency for action

History of environmental activism

  • The modern environmental movement emerged in the 1960s and 1970s, fueled by concerns over air and water pollution, pesticide use, and nuclear energy
  • Key events, such as the publication of Rachel Carson's "Silent Spring" (1962) and the first Earth Day (1970), helped galvanize public support for environmental protection
  • Subsequent decades saw the rise of global environmental issues, such as ozone depletion, deforestation, and climate change, leading to new forms of activism and international cooperation

Key figures and organizations

  • Environmental activists and organizations have been instrumental in shaping public opinion and influencing policy decisions
  • Notable figures include , who founded the in Kenya to promote tree planting and women's empowerment, and , a Swedish youth activist who has inspired a global movement for climate action
  • Organizations such as Greenpeace, World Wildlife Fund (WWF), and 350.org have campaigned on a wide range of environmental issues and engaged in direct action, lobbying, and public education

Successes and limitations

  • Environmental activism has achieved significant successes, such as the banning of DDT, the adoption of the Montreal Protocol on ozone-depleting substances, and the designation of protected areas
  • However, the scale and complexity of environmental challenges have also exposed the limitations of activism in effecting systemic change
  • Resistance from vested interests, political inertia, and the slow pace of behavioral change have hindered progress on issues such as climate change and biodiversity loss

Role of individual actions

  • While systemic change is essential, individual actions can also contribute to environmental protection and sustainability
  • Lifestyle choices, such as reducing meat consumption, using public transportation, and conserving energy and water, can have a cumulative impact when adopted by many people
  • Individual actions can also create social norms and build public support for broader policy changes and corporate responsibility

Future outlook

  • The future of the global environment depends on the actions taken by governments, businesses, and individuals in the coming decades
  • While the challenges are significant, there are also opportunities for innovation, collaboration, and transformation towards a more sustainable and resilient future

Potential consequences of inaction

  • Failure to address global environmental challenges could lead to severe and irreversible consequences, such as runaway climate change, mass extinctions, and ecosystem collapse
  • Inaction could also exacerbate existing social and economic inequalities, as vulnerable communities are disproportionately affected by environmental degradation and natural disasters
  • The costs of inaction, both in terms of human suffering and economic losses, are likely to far exceed the costs of preventive and adaptive measures

Innovative solutions and technologies

  • Technological innovations and nature-based solutions offer promising avenues for addressing environmental challenges and promoting sustainable development
  • Examples include renewable energy technologies, carbon capture and storage, sustainable materials, and ecosystem restoration techniques
  • However, the deployment of these solutions requires significant investments, policy support, and public-private partnerships to overcome barriers and achieve scale

Importance of education and awareness

  • Education and awareness-raising are critical for fostering environmental literacy, changing behaviors, and building public support for sustainability initiatives
  • Integrating environmental education into school curricula, community programs, and media campaigns can help create a culture of environmental stewardship and empowerment
  • Effective communication strategies, such as storytelling and visualization, can help make complex environmental issues more accessible and engaging to diverse audiences

Adapting to a changing environment

  • Even with concerted efforts to mitigate environmental challenges, some degree of change is already locked in due to past emissions and the inertia of natural systems
  • Adapting to a changing environment will require building resilience and flexibility into social, economic, and ecological systems
  • Examples of adaptation measures include climate-proofing infrastructure, diversifying crops and livelihoods, and protecting and restoring natural buffers such as wetlands and forests
  • Successful adaptation will require a combination of local knowledge, scientific expertise, and inclusive governance to ensure that the needs of vulnerable communities are prioritized and addressed

Key Terms to Review (37)

Australian Bushfires: Australian bushfires refer to the uncontrolled fires that occur in the bushlands of Australia, often exacerbated by hot, dry weather and strong winds. These bushfires pose significant threats to wildlife, ecosystems, and human settlements, representing a critical aspect of global environmental challenges related to climate change and land management practices.
Biodiversity loss: Biodiversity loss refers to the decline in the variety and variability of life forms within a specific ecosystem or on Earth as a whole. This includes the extinction of species, reduction in population sizes, and loss of habitats, which can disrupt ecosystems and threaten the balance of nature. The impact of biodiversity loss is critical as it influences global environmental challenges and the quest for sustainability, affecting everything from food security to climate resilience.
Climate Change: Climate change refers to significant and lasting changes in the Earth's climate, primarily due to human activities such as burning fossil fuels, deforestation, and industrial processes. These changes impact global weather patterns, sea levels, and ecosystems, leading to increased temperatures and extreme weather events. Understanding climate change is crucial in exploring historical civilizations' adaptability and resilience, as well as addressing modern global environmental challenges.
Coastal erosion: Coastal erosion is the process where coastlines are worn away by the forces of nature, particularly through the action of waves, currents, tides, and human activities. This phenomenon is a significant environmental challenge, impacting ecosystems, human settlements, and economic resources along coastlines. Understanding coastal erosion is vital for developing strategies to protect vulnerable areas and maintain the balance of coastal environments.
Convention on Biological Diversity: The Convention on Biological Diversity (CBD) is an international treaty aimed at conserving the world's biological diversity, promoting sustainable use of its components, and ensuring fair sharing of benefits arising from genetic resources. It highlights the importance of protecting ecosystems and species while addressing the environmental consequences and global challenges tied to biodiversity loss.
Deforestation: Deforestation is the large-scale removal of trees and forests, typically resulting in damage to the quality of the land. This process can lead to habitat destruction, loss of biodiversity, and significant contributions to climate change due to increased carbon emissions. It is connected to historical and modern trade practices, agricultural expansion, and urban development, impacting ecological balance and human societies.
Eco-friendly transportation: Eco-friendly transportation refers to modes of transport that are designed to minimize environmental impact, primarily by reducing greenhouse gas emissions and promoting sustainable practices. This includes options like electric vehicles, public transit systems, cycling, and walking, all of which aim to lower the carbon footprint associated with traditional fuel-based transportation methods. The shift towards eco-friendly transportation is crucial in addressing global environmental challenges such as climate change, air pollution, and resource depletion.
Endangered species: Endangered species are animals or plants that are at risk of extinction due to factors like habitat loss, pollution, climate change, and over-exploitation. The decline in their populations can disrupt ecosystems and biodiversity, leading to broader environmental challenges.
European Heatwave: The European heatwave refers to a period of excessively high temperatures experienced across Europe, often exceeding seasonal norms and causing widespread impacts on health, agriculture, and the environment. This phenomenon is closely linked to global climate change, which has been intensifying the frequency and severity of extreme weather events.
Extinct species: An extinct species is a group of organisms that no longer exist, meaning there are no living individuals remaining. This loss can result from various factors, including habitat destruction, climate change, invasive species, and human activities. The extinction of species has significant ecological impacts, disrupting ecosystems and diminishing biodiversity, which poses serious challenges to global environmental health.
Extinction Rebellion: Extinction Rebellion is a global environmental movement that aims to compel governments to take urgent action on climate change and biodiversity loss. The movement utilizes nonviolent civil disobedience to highlight the ecological crises and advocate for systemic changes in policies and practices. By raising awareness and disrupting daily life, Extinction Rebellion seeks to mobilize citizens and influence decision-makers to prioritize environmental protection over economic growth.
Extreme Weather Events: Extreme weather events refer to severe or unusual weather phenomena that can have significant impacts on the environment, economies, and human health. These events include hurricanes, floods, droughts, heatwaves, and blizzards, and are often exacerbated by climate change, resulting in increased frequency and intensity. Understanding these events is crucial for addressing global environmental challenges and developing strategies for mitigation and adaptation.
Flint Water Crisis: The Flint Water Crisis refers to a public health crisis that began in 2014 when the drinking water supply in Flint, Michigan, was contaminated with lead and other toxins after the city switched its water source to the Flint River. This decision, made in an effort to save money, resulted in severe health issues for residents, highlighting the dangers of environmental neglect and governmental mismanagement.
Food and Agriculture Organization: The Food and Agriculture Organization (FAO) is a specialized agency of the United Nations that aims to defeat hunger, improve nutrition, and promote sustainable agriculture worldwide. Established in 1945, the FAO plays a crucial role in addressing global environmental challenges related to food security, agricultural practices, and natural resource management, working to create a world where all people have regular access to enough high-quality food.
Fridays for Future: Fridays for Future is a global climate strike movement initiated by young people advocating for urgent action against climate change. It encourages students and activists to skip school on Fridays to protest and demand that governments take significant steps to address environmental challenges, drawing attention to the necessity of immediate policy changes for a sustainable future.
Ganges River Pollution: Ganges River pollution refers to the contamination of the Ganges River, a sacred waterway in India, primarily due to industrial waste, sewage discharge, and religious practices. This pollution presents significant challenges to public health, environmental sustainability, and the cultural significance of the river, which is revered by millions as a holy site.
Great Pacific Garbage Patch: The Great Pacific Garbage Patch is a massive area in the North Pacific Ocean where debris, primarily plastic waste, accumulates due to ocean currents. This patch is a stark symbol of global environmental challenges, illustrating the pervasive issue of marine pollution and its impact on ocean ecosystems. The patch highlights the need for sustainable waste management practices and international cooperation to address pollution in our oceans.
Green Belt Movement: The Green Belt Movement is an environmental and grassroots organization founded in Kenya in 1977 by Wangari Maathai, aimed at combating deforestation and promoting sustainable land use through tree planting and environmental conservation. This movement connects environmental restoration with women's empowerment and community development, addressing global environmental challenges by highlighting the interdependence of ecological health and socio-economic well-being.
Greenhouse gas emissions: Greenhouse gas emissions refer to the release of gases into the atmosphere that trap heat, contributing to the greenhouse effect and global warming. These gases include carbon dioxide, methane, nitrous oxide, and fluorinated gases, all of which play a significant role in climate change and environmental challenges faced globally. As human activities, such as burning fossil fuels and deforestation, continue to increase these emissions, they create serious repercussions for ecosystems, weather patterns, and sea levels.
Greta Thunberg: Greta Thunberg is a Swedish environmental activist known for her efforts to combat climate change and her influence in raising awareness about global environmental challenges. She gained international recognition for her school strike for climate movement, which began in 2018, inspiring millions of young people worldwide to demand urgent action on climate issues. Her activism highlights the importance of sustainability and the need for immediate policy changes to address climate change.
Hurricane Katrina: Hurricane Katrina was a devastating Category 5 Atlantic hurricane that struck the Gulf Coast of the United States in late August 2005, causing widespread destruction and loss of life, particularly in New Orleans, Louisiana. The hurricane highlighted significant global environmental challenges, including climate change and urban vulnerability to natural disasters, as well as the need for effective disaster response and recovery strategies.
International Union for Conservation of Nature: The International Union for Conservation of Nature (IUCN) is a global organization dedicated to the preservation of nature and the sustainable use of natural resources. Founded in 1948, it plays a crucial role in addressing global environmental challenges by influencing policy and providing expert knowledge on biodiversity conservation, ecosystem management, and sustainable development.
North China Plain: The North China Plain is a vast alluvial plain located in the eastern part of China, bordered by the Yellow River and characterized by fertile soil, making it one of the most important agricultural regions in the country. This area is vital for its agricultural output, but it also faces numerous environmental challenges that impact its sustainability and ecological health.
Ocean acidification: Ocean acidification refers to the process in which the ocean becomes more acidic due to increased carbon dioxide (CO2) levels in the atmosphere. As CO2 is absorbed by seawater, it reacts to form carbonic acid, leading to a decrease in pH levels. This change in acidity can have profound effects on marine ecosystems, impacting coral reefs, shellfish, and other marine organisms that rely on calcium carbonate for their growth and survival.
Ogallala Aquifer: The Ogallala Aquifer is one of the largest aquifers in the world, located beneath the Great Plains in the United States. It provides vital water resources for agriculture and drinking water, but its depletion poses significant challenges related to sustainability and environmental health.
Paris Agreement: The Paris Agreement is a legally binding international treaty on climate change that was adopted by nearly every nation in 2015. Its main goal is to limit global warming to well below 2 degrees Celsius compared to pre-industrial levels, while pursuing efforts to limit the temperature increase to 1.5 degrees Celsius. The agreement represents a collective effort by countries to address global environmental challenges and aims to enhance sustainability through various commitments and actions.
Passenger pigeon: The passenger pigeon was a once-abundant bird species native to North America, known for its remarkable migrations and large flocks. This bird played a significant role in the ecosystem as a seed disperser, but its population dramatically declined in the late 19th century due to overhunting and habitat destruction, ultimately leading to its extinction. The story of the passenger pigeon highlights the consequences of human impact on the environment and serves as a cautionary tale about the fragility of ecosystems.
Renewable energy: Renewable energy refers to energy sources that are naturally replenished over short time scales and are sustainable for the long term, such as solar, wind, hydroelectric, and geothermal energy. These energy sources offer an alternative to fossil fuels, which contribute significantly to environmental degradation and climate change. By harnessing renewable energy, societies can reduce their carbon footprint and address global environmental challenges while promoting sustainability for future generations.
Rising global temperatures: Rising global temperatures refer to the increase in Earth's average surface temperature due to the accumulation of greenhouse gases in the atmosphere, primarily from human activities such as burning fossil fuels and deforestation. This phenomenon is a major driver of climate change, leading to various environmental challenges including extreme weather events, melting ice caps, and rising sea levels.
Sea level rise: Sea level rise refers to the increase in the average level of the world's oceans due to the melting of ice caps and glaciers, as well as the thermal expansion of seawater as it warms. This phenomenon poses significant threats to coastal ecosystems, human settlements, and global sustainability efforts, making it a critical concern in discussions about environmental challenges and climate change.
Sustainable Agriculture: Sustainable agriculture is an approach to farming that prioritizes environmental health, economic profitability, and social equity, ensuring that agricultural practices can be maintained over the long term without degrading the ecosystem. This concept encompasses various techniques aimed at reducing the negative impacts of farming on the environment, promoting biodiversity, and fostering resilient food systems that can adapt to changing conditions.
Sustainable development: Sustainable development is a concept that aims to meet the needs of the present without compromising the ability of future generations to meet their own needs. It integrates economic growth, social inclusion, and environmental protection, emphasizing a balanced approach to development. This idea has gained traction in addressing the environmental consequences of industrialization, the global challenges posed by climate change, and the future implications of globalization.
Sustainable forestry: Sustainable forestry refers to the management and use of forest resources in a way that maintains their biodiversity, productivity, and ecological processes while fulfilling the needs of present and future generations. This approach emphasizes the importance of balancing economic, social, and environmental factors to ensure that forests can continue to provide timber, habitat, and other ecosystem services without compromising their health or integrity.
Tasmanian Tiger: The Tasmanian Tiger, also known as the Thylacine, was a carnivorous marsupial native to Tasmania, Australia, and New Guinea. It became extinct in the early 20th century, largely due to hunting and habitat destruction, and serves as a poignant example of global environmental challenges and the impact of human activity on biodiversity.
United Nations Environment Programme: The United Nations Environment Programme (UNEP) is an agency of the United Nations responsible for coordinating global environmental activities and assisting countries in implementing environmentally sound policies. Established in 1972, UNEP plays a vital role in addressing global environmental challenges, such as climate change, biodiversity loss, and pollution, through research, advocacy, and partnerships with governments and organizations worldwide.
Wangari Maathai: Wangari Maathai was a renowned Kenyan environmental activist, political leader, and Nobel Peace Prize laureate, known for her efforts in sustainable development, environmental conservation, and women's empowerment. She founded the Green Belt Movement, which focused on tree planting and environmental conservation as a means to address social issues and promote sustainable practices in Kenya and beyond.
World Health Organization: The World Health Organization (WHO) is a specialized agency of the United Nations established in 1948 to promote global health and well-being. It is responsible for coordinating international health efforts, setting health standards, and addressing public health challenges such as diseases and environmental factors that affect health. The WHO plays a crucial role in combating health crises, including pandemics, by providing guidance, resources, and support to countries around the world.
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