If we started geoengineering in 2020, what would temperatures look like 10 20 30 40 50 years from then? Mouse over an area for more information. If we started geoengineering in 2020, what would ...

The world is unlikely to hit the targets necessary to avoid catastrophic levels of climate change. Some think that as a last resort, we may need to temporarily cool the planet by modifying the skies.