Avinash Persaud writes:

Donald Trump’s denial of human-made climate change, and the reluctant position of Brazil and India meant that no deal at the climate summit in Katowice, Poland was a real possibility. It would be just one more in a spate of recent defeats for multilateralism. But, after two weeks of wrangling, almost 200 countries signed up to a 133-page rule book on carbon emissions. The rule book is designed to implement the 2015 Paris Agreement on climate change to limit the rise in global temperatures to below 2⁰C.