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 …

Oct 1, 2024 · Doctors use a simple blood test to determine typical or atypical CO2 levels in the body. Learn about the CO2 blood test, and how to interpret the results, here.

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 …

CO2 emissions by region This interactive chart shows the breakdown of global CO2 emissions by region. We see that until well into the 20th century, global emissions were dominated by …

Nov 27, 2025 · carbon dioxide, (CO 2), a colourless gas having a faint sharp odour and a sour taste.

Carbon dioxide is a natural greenhouse gas, commonly produced by the air we exhale. At higher levels, CO2 affects productivity, sleep and infectious disease transmission. Learn more on …

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 …

5 days ago · GML conducts research on greenhouse gas and carbon cycle feedbacks, changes in aerosols, and surface radiation, and recovery of stratospheric ozone.

Feb 13, 2025 · Carbon dioxide (CO 2) is the primary greenhouse gas emitted through human activities. In 2022, CO 2 accounted for 80% of all U.S. greenhouse gas emissions from human …

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 …