3 ms·

1985? It's been known since the 1850s that atmospheric carbon dioxide and water vapor contribute to the greenhouse effect.

• melling 3y ago
  I didn’t say we discovered the greenhouse effect in 1985. I said we started addressing the issue about 40 years ago. Actually, the Carl Sagan video is still worthwhile. He did an excellent job.
  • thfuran 3y ago
    >I said we started addressing the issue about 40 years ago. You said "One of the main problems was identified in 1985".
    • melling 3y ago
      Yes, the global usage of coal. The fact that if India and China start using a lot of it…. Watch the video Coal usage is at all time highs: https://www.pbs.org/newshour/amp/world/coal-burning-capacity-climbs-worldwide-despite-pledges-to-reduce-use https://www.pbs.org/newshour/amp/world/coal-burning-capacity...