While carbon dioxide, or CO2, is the best known greenhouse gas, several others, including methane and nitrous oxide, are also driving global warming and altering the Earth's climate.

PARIS: The most well-known greenhouse gas is carbon dioxide but a number of other gases, such as nitrous oxide and methane, are also contributing to global warming and changing the Earth's...

While carbon dioxide (CO2) is the best-known greenhouse gas, several others, including methane and nitrous oxide, are also driving global warming and altering the Earth's climate.