EnvironmentAntarctic teams drill oldest ice cores yet in search of climate clues Ice cores that record 1.2 million years of Earth’s atmosphere are on their way to Europe to be analysed, and an Australian drilling team is hoping to go even further back in time News
EnvironmentFloating wood could help us refreeze the Arctic seas Floating platforms of wood could draw up seawater and help it to freeze, seeding the formation of new sea ice News