5. ‘CO2 Is Just Plant Food—It Can’t Be Bad’

While it’s true that CO2 is vital for plants, that doesn’t mean more is always better. Plants need carbon dioxide, but excessive CO2 in the atmosphere traps heat, drives climate change, and disrupts entire ecosystems.
According to the Union of Concerned Scientists, the current levels of CO2 are far above what’s natural—putting stress on plants, animals, and people alike. Balance is key, and we’ve already tipped the scales.