EarthWorld's first tunnel to a magma chamber could unleash unlimited energy In Iceland, scientists are planning to drill two boreholes to a reservoir of liquid rock. One will give us our first direct measurements of magma – the other could supercharge geothermal power Features
EnvironmentArctic cowboys: Meet the people wrangling icebergs for drinking water It is now technically possible to capture icebergs, tow them to the equator and harvest them for drinking water. But what are the ecological risks? Features