The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Great Barrier Reef

red coral fan underwater

Latest idea for saving the Great Barrier Reef? Dump crushed rocks on it

By Graham Readfearn | Climate Change

before and after coral bleaching Great Barrier Reef

Literally cooked in hot water—what happened in the latest mass coral bleaching on the Great Barrier Reef

By Janice Lough | Climate Change

Watch the 2025 Doomsday Clock announcement on January 28