The reintroduction of up to five species could help restore 20% of the planet to previous levels of biodiversity, the study found.
Over a third of the area of all Antarctic ice shelves could be at risk of collapsing if global temperatures soar to 4°C.
Global heating has already set back farming around the world, and wiped out seven years of steady advance.
CNA's Military Advisory Board: Climate change poses a serious threat to U.S. national security and is becoming a "catalyst for conflict".
Global heating may be to blame for the fact that Europe has grown drier over the last 2,000 years to a new high in 2015.
As more rainforest is destroyed, there is more potential for climate change, which in turn makes it more difficult for remaining forests to survive.
Scientists have found that accidental capture by fisheries (bycatch), climate change and pollution are among the key drivers of decline.
A bold UN survival plan could put nature back in charge of the Earth − and researchers explain why that should happen.
Many millions of people – among them some of the world's poorest – will be exposed to lethal temperatures on a routine basis.
Largely since the 1950s, we have grossly simplified the biosphere, a system that has evolved over 3.8 billion years.