Climate crisis: past eight years were the eight hottest ever, says UN
The past eight years were the eight hottest ever recorded, a new UN report has found, indicating the world is now deep into the climate crisis. The internationally agreed 1.5C limit for global heating is now “barely within reach”, it said.
Related Knowledge Center: Climate science
What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet.