Staving off the worst impacts of climate change is possible, say scientists, but immediate action is needed.
After a contentious approval session where scientists and government officials went through the report line by line, the UN's Intergovernmental Panel on Climate Change has now published its guidance on what the world can do to avoid an extremely dangerous future.
To avoid that fate, the world must keep the rise in temperatures at or under 1.5C this century, say researchers. To stay under 1.5C according to the IPCC means that carbon emissions from everything that we do, buy, use or eat must peak by 2025, and tumble rapidly after that, reaching net-zero by the middle of this century.
Speaking to BBC News she said: "We have to peak our greenhouse gas emissions before 2025 and after that, reduce them very rapidly. And we will have to do negative emissions or carbon dioxide removal in the second half of the century, shortly after 2050 in order to limit warming to 1.5C."Governments will need to look at the provision of low carbon transport
"It's game over for the fossil fuels that are fuelling both wars and climate chaos," said Kaisa Kosonen from Greenpeace, who was an observer at the IPCC approval session.
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