From oil spills to new species: how tech reveals the ocean The ocean covers nearly three-quarters of our planet but scientists say we have barely scratched the surface of what lives in our seas.

This week marks the anniversary of the Exxon Valdez spill, which shocked the US public with images of oil-covered Alaskan ...

This story was produced in partnership with the Pulitzer Center. It is part three in a four-part series. Read part one here ...

Colombian energy giant Ecopetrol has polluted hundreds of sites with oil, including water sources and biodiverse wetlands, ...

But new technologies are helping to change that, revealing hidden oil spills, speeding up the discovery of new species and uncovering how light pollution impacts marine life. Satellite imagery ...

Show more Show less Machine learning is helping scientists track down hidden oil spills and pollution Vast swathes of ocean – an area ten times the size of Britain – are affected by light ...