2 ms·
They both matter, and the ozone hole has started to heal whereas global warming is getting much worse. 40 years ago, the CO2 level was also only 345ppm or so co
by Robotbeat 4y ago
They both matter, and the ozone hole has started to heal whereas global warming is getting much worse. 40 years ago, the CO2 level was also only 345ppm or so compared to 420ppm today and rising much more rapidly than in the 80s, so overall warming is becoming more acute.