Sharks are rarely seen at almost one in five of the world’s coral reefs, a major study has found. The crash in shark numbers, caused largely by over-fishing, could have dire consequences for corals struggling to survive in a changing climate, researchers have said. Sharks are top predators, playing a key role in marine ecosystems.
An estimated 1.3 billion tonnes of plastic is destined for our environment – both on land and in the ocean – by 2040, unless worldwide action is taken. That’s according to a global model of the scale of the plastic problem over the next 20 years. Dr Costas Velis from the University of Leeds said the