When did humans leave the trees for the savannah – or did they at all?

Reforestation initiatives in Africa may damage grassland and savannah

Ancient Europe was half covered by savannah and grazed by elephants

Amazon rainforest nears tipping point that may see it become savannah

The Amazon is turning into savannah – we have 5 years to save it

Savannah chimpanzees, a model for the understanding of human evolution