
The brain cells that help animals navigate in 3D
Nature Podcast
Climate Change
The i pc c doesn't try to the future. What it does is it runs various simulations, looking at different scenarios over the coming century. In some of those scenarios, humanity undertakes aggressive efforts to reduce emissions. In other ones, the emissions sky rocket. So if you look at kind of a central estimate, in which the world doesn't really change much from what's happening to day, you basically get a estimate that temperatures are likely to rise between two point one degrees and three point five degrees by 21 hundred. But with aggressive action, if we basically cut emissions down to net zero by mid century, then it is technically possible to remain under one point five degrees.
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