What impact does dust from the Sahara Desert have on the global climate? Storms carry the dust particles up to seven kilometers into the air. Most eventually fall over the Atlantic, with some surprising effects.
Greenland, home to the world's largest permanent ice sheet outside Antarctica, is being swept by wildfires. Scientists say global warming and increased plant cover are likely factors.
The Paris Agreement sought to place a lower limit on global warming at 1.5 degrees Celsius. But researchers fear that may already be locked in - even 2 degrees may be overshot. All the more reason for action, many say.
Environmental degradation and climate change are threatening the livelihoods of local communities living near the Sahara. An ambitious greening plan aims to prevent the spread of desertification in the region.
Sydney's sweltering recent record high of 47 degrees Celsius has brought the reality of climate change into sharp focus for many Australians. Skepticism in the country is waning - quickly enough?
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