Below you'll find a list of all posts that have been tagged as “Charles David Keeling”
The world is in a new era of “climate change reality”, with carbon dioxide in the atmosphere reaching a symbolic threshold which it will not fall below for many generations, scientists have said. In 2015, for the first time, carbon dioxide levels in the atmosphere were at 400 parts per million (ppm) on average across the year as a whole, …
It’s officially the beginning of the end for life on Earth, researchers say. Earth’s atmospheric carbon dioxide levels have passed 400 parts per million — long regarded as the point of no return in the battle against climate change. Researchers at the Scripps Institution of Oceanography said the CO2 levels for September will definitely be above 400 ppm — a …
