
Carbon dioxide - Wikipedia
Carbon dioxide dissolves in the ocean to form carbonic acid (H2CO3), bicarbonate (HCO− 3), and carbonate (CO2− 3). There is about fifty times as much carbon dioxide dissolved in the oceans as …
Carbon dioxide | Definition, Formula, Uses, & Facts | Britannica
Nov 26, 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 carbon …
What is Carbon dioxide (CO₂)? - myclimate
Feb 25, 2025 · CO2 or carbon dioxide clearly explained. Why the gas is so harmful to the climate.
CO₂ emissions - Our World in Data
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 Europe and …
Carbon Dioxide - Earth Indicator - NASA Science
Sep 25, 2025 · This animated graph shows CO2 levels from an Antarctic ice core in combination with the observations from Mauna Loa Observatory. This extends the record back through Earth’s last …
Carbon Dioxide Emissions | US EPA
Feb 13, 2025 · Sources of Carbon Dioxide Emissions 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 …
Carbon Dioxide - Center for Science Education
Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is an important …
Understanding the basics of carbon dioxide - NOAA Research
Jun 28, 2024 · As atmospheric greenhouse gas levels continue to rise, it is important to understand the basics of what these gases are, how NOAA monitors them, and what they mean for our global …
CO2 blood test: Purpose, typical range, and results
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.
Диоксид углерода — Википедия
Диокси́д углеро́да или двуо́кись углеро́да (также оксид углерода (IV), углеки́слый газ, у́гольный ангидри́д, углекислота́[5], формула — CO2) — неорганическое химическое соединение, …