
Deep-sea mining could wreck the last unexplored ecosystem on Earth
31 January 2019
As mining firms begin tests to pick up metal ores from the Pacific seabed, we need rules to protect this unusual ecosystem, says Olive Heffernan

31 January 2019
As mining firms begin tests to pick up metal ores from the Pacific seabed, we need rules to protect this unusual ecosystem, says Olive Heffernan

8 May 2018
Hauling chunks of polar ice to dry regions to provide fresh water sounds tempting but there are many reasons to reject it, says Olive Heffernan

19 April 2018
Some of the last great wildernesses are being considered as likely candidates for geoengineering. It's a sad reflection of climate failings, says Olive Heffernan

5 September 2017
A study says there is enough ocean to grow 100 times the fish we eat, but mass fish farming is not the simple solution it seems, says Olive Heffernan

1 June 2017
Talk of dumping iron into the ocean off Chile to boost plankton is a return of a controversial idea that warrants questions, says Olive Heffernan

9 May 2017
The decline of the rare porpoise has brought us to the cusp of a risky project to put the animals in a sanctuary. Will it be enough, wonders Olive Heffernan