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Climate and Environment

How come nations' climate targets don't compare?

This week's climate change summit features lots of talk from different nations about their goals for reducing carbon emissions. But in the weird world of national climate pledges, numbers often aren't quite what they seem.

In this Feb. 14, 2017, file photo, a rooftop is covered with solar panels at the Brooklyn Navy Yard in New York. (AP Photo/Mark Lennihan, File)

World leaders pledge climate co-operation despite other rifts

The leaders of Russia and China put aside their raw-worded disputes with U.S. President Joe Biden on Thursday long enough to pledge international co-operation on cutting climate-wrecking coal and petroleum emissions in a livestreamed summit showcasing America's return to the fight against global warming.

'Doomsday' climate tipping points have wiggle room: study

Global warming thresholds that could tip massive ice sheets into irreversible melting or see the Amazon rainforest shrivel into savannah have 'grace periods' giving humanity more time to draw down planet-warming carbon emissions, researchers have calculated.

2020 was Europe's hottest year on record: EU scientists

Europe experienced its hottest year on record last year, while the Arctic suffered a summer of extreme wildfires partly due to low snow cover as climate change impacts intensified, the European Union’s observation service said on Thursday.