The world is on track for 2.7C of heating meaning 2 billion people experiencing average annual temperatures above 29C by 2030.
Extreme weather events are more frequent than ever before and the health consequences of such extreme heat can be catastrophic.
Absent dramatic reforms, humanity is heading toward "a dangerous and unstable world," UN Secretary-General António Guterres said.
"The fossil fuel companies, given their record today, are far more effective at capturing politicians than they are at capturing emissions."
Six out of nine barriers that ensure the Earth is a "safe operating space for humanity" have now been breached.
As climate change warms rivers, they are running out of breath – and so could the plants and animals they harbor
Urban rivers are warming up most rapidly, while rivers in agricultural areas are losing oxygen most rapidly.
"This report is a wake-up call to the injustice of the climate crisis and a pivotal opportunity to correct course," said one expert.
A new analysis of the activities of fossil fuel giants shows that the companies are misleading the public about their emission-reduction commitments.
Severe storms, enormous fires, the high temperature and drought we’ve experienced are all caused by what we have done to the climate.
Roughly two billion people face "extremely high water stress" each year as the climate crisis fuels worsening drought conditions.