The World Health Organization (WHO) has declared the spread of polio is an international public health emergency.

The UK has one of the highest rates of death for children under five in Western Europe, according to new research published in The Lancet.

Subsiding land is a bigger immediate problem for the world's coastal cities than sea level rise, say scientists.

An Indian who helped villagers fight a large coal mine is among six environmental activists from around the world who have won the Goldman Prize.

An anti-toxic dump campaigner in South Africa has been recognised with a prestigious environmental award.

India's Supreme Court has lifted a ban on iron ore mining in the western state of Goa, but limited extraction to 20m tonnes a year.

Air pollution in China and other Asian countries is having far-reaching impacts on weather patterns across the Northern Hemisphere, a study suggests.

The biggest civil Earth-observation programme ever conceived begins its rollout on Thursday with the launch of a radar satellite from French Guiana.

High levels of air pollution will continue to affect parts of the UK on Thursday, experts have warned.

On Wednesday night, Snohomish County Emergency Management Director John Pennington told reporters the number of people unaccounted for had dropped to 90 from 176 the previous day, as dozens of peop