CO2 concentrations

Definition

CO2 concentrations refer to the amount of carbon dioxide (CO2) present in the atmosphere. It is a measure of how much CO2 is in the air and is often expressed in parts per million (ppm).

Related terms

Greenhouse effect: The greenhouse effect refers to the trapping of heat by certain gases, including CO2, in Earth's atmosphere. This process helps regulate Earth's temperature but excessive greenhouse gases can cause global warming.

Carbon cycle: The carbon cycle is the movement of carbon through different reservoirs such as the atmosphere, oceans, plants, and animals. It involves processes like photosynthesis, respiration, and decomposition.

Fossil fuels: Fossil fuels are energy sources formed from ancient organic matter such as coal, oil, and natural gas. When burned for energy production, they release large amounts of CO2 into the atmosphere.