movie questioning the role of humans in climate change has sparked claims that carbon dioxide has never driven temperature increases in the past and therefore cannot cause global warming. This is misleading; experts told AFP the historical record shows clear evidence that greenhouse gas emissions are heating up the"'The question of whether CO2 drives the climate is easily resolved.
Atmospheric concentrations of the main greenhouse gases between 1984 and 2022, based on data by the World Meteorological Organization an invisible blanket of nitrogen, oxygen and other gases that envelops our planet, allowing it to retain the Sun's heat to 300 ppm in the early 20th century to about 425 ppm today -- way higher than at anytime during the last 800,000 years," he said April 23.