Ship carrying nuclear waste arrives in Australia

A ship carrying 25 tonnes of radioactive waste arrived back in Australia on Saturday, met by activists who warned against the vast nation becoming a nuclear dumping ground.

Battling climate change—with worms

Nicolas Denieul plants his spade in the ground and turns over a clod of soil to reveal a mass of earthworms seething around plant roots—fat ones and thin ones, delicate translucent violet and dark brown.

UN talks race for climate-saving blueprint

Negotiators from 195 nations will race Saturday to complete a four-year mission by delivering a blueprint to secure humanity from the consequences of rampant emissions of climate-altering greenhouse gases.