Scientists plan to deliver a coffin to Downing Street on Tuesday to protest about "the death of British science".

Environmentalists say leaders at June's Rio+20 summit must urgently step up nature protection, as a report confirms a 30% decline in wildlife since 1970.

Is the Thames actually longer than the Severn, making it the UK's longest river?

Hen harriers are "perilously close" to being wiped out as a breeding bird in England, with just one pair nesting this year, a wildlife charity says.

The MP who recently resigned from the shadow cabinet reveals he is to back a multi-billion-pound barrage across the Severn estuary that could generate 7% of UK electricity.

The founder of US-based anti-whaling group Sea Shepherd, Paul Watson, appears in court in Germany, where he faces extradition to Costa Rica.

The operation to stop gas leaking from the Elgin platform in the North Sea gets under way.

Plans are to be accelerated to deal with one of the most controversial areas of the Dounreay nuclear site.