Most nations failed to meet WHO fine particle pollution standards
Ambient fine particulate matter known as PM2.5 is considered the world’s leading environmental health risk factor.
Grenada
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'Extinction' of U.N. climate agency by 2050 to serve as measure of success
Simon Stiell, who heads U.N. climate efforts, envisions winding down his agency into merely a 'data repository.'
World on track to breach Paris treaty and head to almost 3° C. of warming
Emissions must decrease 42% by 2030 to keep the 1.5° target alive. Instead, they're expected to rise 3% by then.