while there are direct ways in which co2 is a pollutant (acidification of the ocean), its primary impact is its greenhouse warming effect.
while there are direct ways in which co2 is a pollutant (acidification of the ocean), its primary impact is its greenhouse warming effect.
carbon dioxide:193
carbon dioxide
carbon dioxide is of greatest concern because it exerts a larger overall warming influence than all of these other gases combined and because it has a long atmospheric lifetime (hundreds to thousands of years).