LifeThe mummified penguins that hold the secrets of Antarctica's pastAntarctica’s Adélie penguins nest on the well-preserved remains of their ancestors. All it takes is a trowel and a strong stomach to dig into their climate historyFeatures
EarthWhy climate engineers are targeting Earth's last pristine spots 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 Comment