Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It …

Feb 25, 2025 · What is Carbon dioxide (CO₂)? Carbon dioxide (CO₂) is a colourless and odourless gas that is a natural component of the air and part of the global carbon cycle. It …

Sep 29, 2025 · Carbon dioxide, a colorless gas having a faint sharp odor and a sour taste. It is a greenhouse gas, but it is a minor component of Earth’s atmosphere, formed in combustion of …

Feb 13, 2025 · Carbon dioxide is naturally present in the atmosphere as part of the Earth's carbon cycle (the natural circulation of carbon among the atmosphere, oceans, soil, plants, and …

Sep 25, 2025 · Carbon dioxide (CO2) is an important greenhouse gas. Greenhouse gases trap the heat from sunlight, warming the planet. Without any greenhouse gases, Earth would be too …

Oct 16, 2025 · Greenhouse gas concentrations increased by a record amount in 2024 as more carbon dioxide, methane and nitrous oxide became locked in Earth's atmosphere, a World …

Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold. However, an increase in CO 2 concentrations in our …

Explore the natural and human sources of carbon dioxide gas (CO2) and learn about the carbon cycle and how this affects the amount of CO2 in the atmosphere. Find out how human …

Carbon dioxide (commonly abbreviated as CO 2) is a clear gas composed of one atom of carbon (C) and two atoms of oxygen (O). Carbon dioxide is one of many molecules where carbon is …

CO2 and other greenhouse gases like methane and nitrous oxide are emitted when we burn fossil fuels, produce materials such as steel, cement, and plastics, and grow the food we eat. If we …