Record surge in atmospheric CO2 seen in 2016
Concentrations of CO2 in the Earth's atmosphere surged to a record high in 2016, according to the World Meteorological Organization.
Vikings razed the forests. Can Iceland regrow them?
The country lost most of its trees long ago. Despite years of replanting, it isn't making much progress.
There are hardly any old fish left in the ocean - and that's bad
There are not just fewer fish in the sea: there are disproportionately fewer old fish. A study of fisheries in the seas around the US and Europe has found that their populations of ageing fish have been reduced by an average of 72 per cent.
Watching hurricanes Irma, Jose and Katia from above Earth
More than 22,000 miles above the surface of Earth, a new weather satellite run by the National Oceanic and Atmospheric Administration captured high-resolution imagery of three dangerous hurricanes moving across the Atlantic Ocean over the past week. Each frame in the composite animations below is separated by 15 minutes.
You don't need a scientist to know what's causing the sixth mass extinction
It's simple. It's us. The more people there are, the more habitats we destroy. Human civilisation can only survive if the population begins to shrink