World update: April 23 2019
Stories from Iran, Sri Lanka, Sudan, and more
CLIMATE CHANGE
A new study of one of the most important climate change feedback loops—the melting of Arctic permafrost—does not paint a rosy picture:
The release of methane and carbon dioxide from thawing permafrost will accelerate global warming and add up to $70tn (£54tn) to the world’s climate bill, according to the most advanced study yet of the econo…
