We’ve shown that rapid, measurable progress is achievable in our cities. Here’s how that can now be replicated worldwide, say mayor of London Sadiq Khan and former New York mayor Michael Bloomberg
A third of world’s energy needs should come from electricity by 2035, says Turkish minister Murat Kurum, as he sets out priorities priority for this year’s UN climate summit
Editorial: The Global Justice Report offers a hopeful bargain: tax extreme wealth and replace consumer excess with social and economic security for all