4 ms·

Water is a greenhouse gas?

• T-A 11y ago
  Yep: https://www.ncdc.noaa.gov/monitoring-references/faq/greenhouse-gases.php https://www.ncdc.noaa.gov/monitoring-references/faq/greenhou...
• credit_guy 11y ago
  Not only water (vapor) is a greenhouse gas, it's by far the most important. Per wikipedia, its contribution to the greenhouse effect is 36-72%, while the next contribution, of CO2, is 9-26%. https://en.m.wikipedia.org/wiki/Greenhouse_gas https://en.m.wikipedia.org/wiki/Greenhouse_gas