Forests and savannas are expected to be strongly affected in the coming decades by changing rainfall patterns. But land use will also have a major impact.
Fire has been viewed as the main protagonist in creating Africa's iconic savannas. However, new research shows that browsing animals created savannas millions of years before fire became important.
Australia's Great Northern Savannas are the largest and most intact ecosystem of their kind on Earth. But they still face pressure from grazing, mining and agricultural expansion.
Australia may have reputation for vast areas of wilderness, but in reality the continent's ecosystems have been chopped and diced. Now we need to protect what's left.
More land is burned in northern Australia during August and October than any other time of the year, and it's not just a natural disaster.
Africa's savannas provide high potential for farming development but this needs to be done in a smart manner to not worsen climate change.
Sometimes the best way to deal with mountains of data is to turn to the public for help. That's what Snapshot Serengeti did to classify millions of photos from savanna camera traps in Tanzania.