then, the man at the centre of the talks, alok sharma, had to appeal to all the parties to cooperate. this is the moment of truth for our planet and it's a moment of truth for our children and our grandchildren. it did the trick. an agreement was reached. by the end of 2022, countries will have to update their climate pledges at a faster pace than before. by 2024, a package of long—term financial aid for the poorest nations have to be agreed. and then, by 2030, to avoid the worst of global warming, carbon emissions should be halved. but that will be made harder by china and india's insistence that coal should be phased down rather than phased out. so, as things stand, polar ice will still melt faster than ever, raising sea levels, and, together with heavier rain, threatening millions of people with flooding. we've already warmed by 1.1 degrees since pre—industrial times. world leaders said that limiting the rise to 1.5 was still possible, but projections suggest that we're headed for at least 1.8 — and that's only if every promise is kept. more realistically, we're on course for 2.4 d