African rainforests continued to function as a carbon sink even in the face of adverse climatic conditions.
Forests here and there have regrown in large patches covering an overall area the size of France.
These species can threaten the health of plants and animals, including humans. And they cause huge economic harm.
Until relatively recently these orangutans lived across a much wider range of various habitats.
Smoke from large fires can travel across much of the planet, changing the weather, Israeli scientists say.
While the human and economic toll have been enormous, the fallout from the virus also seriously damaged nature.