IPCC Report: Welcome to the ‘Trump World’, future climate scientists fear

But humanity is also nowhere near the most optimistic scenario of the Intergovernmental Panel on Climate Change, which calls for reducing global carbon emissions to “net zero” midway this century. Attention turns to a November summit in Glasgow, Scotland, as world leaders face mounting pressure to act. “It’s more serious than it has ever been, at a time when some major countries are not ready to do their part, to get on with it and move on,” said John F. Kerry, the Biden administration’s chief climate official. last week. “I consider this the last and best hope for the world to get serious.”