The month of September 2016 marks the first time in human history that CO2 levels in the atmosphere topped 400ppm in all recorded areas. In fact, CO2 levels have not been that high since dinosaurs ruled the earth. And that’s not even the bad news. According to scientists, the human race may never see carbon dioxide levels drop below this dangerous threshold.
Just three years ago, CO2 levels passed the 300ppm threshold, and predictions suggested the 400ppm level was many, many years down the road. Sadly, they were very wrong.