Biodiversity: Why the nature crisis matters, in five graphics. Human activities are destroying the natural world, leading to the extinction of animal and plant species at an alarming rate. Now, world leaders are promising action to tackle the problem. But will it be enough? Human activities are destroying the natural world, leading to the extinction
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.
Finnish scientists producing a protein “from thin air” say it will compete with soya on price within the decade. The protein is produced from soil bacteria fed on hydrogen split from water by electricity. The researchers say if the electricity comes from solar and wind power, the food can be grown with near-zero greenhouse gas