Rep. Don Beyer @RepDonBeyer
RT @RepDonBeyer: There's more CO2 in the atmosphere now than at any point in nearly a million years. Relatedly, climate change is n… — PolitiTweet.org
USA TODAY @USATODAY
The concentration of the heat-trapping gas is higher than it’s been in at least 800,000 years. https://t.co/UtW5FSZpt6