Carbon dioxide levels highest in 55 million years.
I had not heard before that the current levels of carbon dioxide, a key greenhouse gas, are at their highest levels in Earth’s atmosphere for the past 55 million years. (*) Surely there are always fluctuations, but the last time they were so high, there was no ice on Earth.
Climate change is rapidly occurring. We need to know why, and we can’t let politics get in the way of scientific research.