
Earth’s CO2 Levels Hit Highest Point In Millions Of Years
Ever wonder what millions of years of Earth’s history feels like in a single number? Try 430.2 parts per million—that’s the latest record-breaking level of carbon dioxide in our atmosphere. And it’s not a fluke. It’s the direct result of us burning fossil fuels like there’s no tomorrow. Recorded this May at Hawaii’s Mauna Loa










