Could beavers be an answer? As the planet heats up, drought is becoming a familiar scourge. Now, some conservationists say a solution could come from an unlikely source: the humble beaver.
Drought is the next pandemic experts warn
Hunted: Beavers became extinct in Britain in the 16th Century. Now they are back. Glossary
Climate change - Long-term shifts in temperatures and weather patterns. Human action is a major cause of climate change.
Pandemic - An outbreak of disease which occurs across a wide geographic area, as opposed to an epidemic, which is confined to a particular region.
Beavers - Large semiaquatic rodents that live in the northern hemisphere. They are being reintroduced to the UK.
Mitigate - Make something bad less serious or dangerous.
Biodiversity - Biodiversity is all the different kinds of life you'll find in one area — the variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world. Each of these species and organisms work together in ecosystems, like an intricate web, to maintain balance and support life.
National Trust - A charity operating in England, Wales and Northern Ireland that maintains historic buildings and country estates for the public. Founded in 1895, today it owns more than 500 properties, as well as a large and expanding art collection.
Cloud seeding - A weather modification technique. It involves adding substances to clouds to make it rain.