Tom Steyer @TomSteyer
We need to reduce carbon in our atmosphere to have a chance at saving our planet. This is catastrophic and must be addressed immediately. We are in a climate crisis. — PolitiTweet.org
NASA Climate @NASAClimate
UPDATE: Last month's global average concentration of atmospheric carbon dioxide (CO2) was about 415 parts per milliā¦ https://t.co/fkakSgDGNa