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.
Forget fences and international agreements. This five-year study in the Serengeti has found the way forward.
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.
Simple changes to current grassland management has the potential to save many endangered birds.