The levels of greenhouse gases in the atmosphere, the main driver of climate change, have hit a new record high, the UN said Thursday, warning that the time to act was running out.
"Without rapid cuts in CO2 and other greenhouse gases, climate change will have increasingly destructive and irreversible impacts on life on Earth," the head of the World Meteorological Organization Petteri Taalas said in a statement.
"The window of opportunity for action is almost closed.