RT @CO2_earth@twitter.com

🏆🏆🏆 DAY 3⃣ with #CO2 above 4⃣1⃣5⃣ ppm at Mauna Loa--HIGHEST levels since humans walked the Earth ➕ new all-time HIGH at 415.40 pm yesterday (May 13, 2019) 📈 #NOAA data & graphic: https://www.esrl.noaa.gov/gmd/ccgg/trends/monthly.html 📈 http://CO2.Earth records tracked: https://www.co2.earth/daily-co2

🐦🔗: https://twitter.com/CO2_earth/status/1128309614943133698