It is the most extracted solid material on Earth – but this extraction can threaten ecosystems and livelihoods Malé is one of the world’s most overcrowded cities, but it faces double pressure. As well ...

When water loses its energy, any sediment it is carrying is deposited. The build-up of deposited sediment can form different features along the coast.

Each spring, Swifts, Swallows, House Martins and Sand Martins make one of nature’s most epic journeys, flying all the way from Africa to our shores to breed. At first glance, these avian athletes can ...