EnvironmentA freak 1870s climate event caused drought across three continents Few people have heard of it, but the global famine of 1876-78 probably killed 50 million, and it was triggered by a natural climate event that could easily recur News
EnvironmentA warm-water time bomb could spell disaster for Arctic sea ice If a rapidly-heating layer of water building up under the Arctic wells up to the surface, it may melt all remaining seasonal sea ice in the area News