Heavy rains and rising shopping prices have seen a growth in wild mushroom picking - but how safe is it?

Almost half of the world's primate species are facing extinction, a major global assessment warns, with habitat loss the main threat.

A US charity helps Detroit's poorest people turn vacant lots into blooming gardens, the BBC's Matt Wells finds.

Plans are afoot to reintroduce beavers, wildcats and wolves to habitats in Britain from which they have long disappeared. But is right to bring back a species that you may soon have to kill?

Environmentalists are quick to blame the aviation industry, but they should focus their efforts on stopping deforestation.

A scheme to offer nations an economic incentive to protect tropical forests is vital in the battle against climate change.

Plans to protect communities against climate impacts, such as Africa's "Green Wall", need to start at a local level.

Fires which have killed at least 63 people continue to devastate Greece, as the EU sends in help.

The EU target of ensuring 10% of fuel comes from biofuels by 2020 is "mistaken", a study says.

The EU will open its first job centre in Africa, to prevent migrants risking their lives by entering Europe illegally.

The reintroduction of wild wolves into the Scottish Highlands is likely to benefit the local ecosystem, a study concludes.

The government of one of Brazil's Amazonian states plans to reforest areas of land cleared for pasture.

Parks without grass? It sounds absurd, but in the future climate change is likely to transform our urban green spaces. Think pine trees and wind turbines.

More farm and green belt land should be reforested or turned into housing, a free market think-tank suggests.

Tim Hirsch visits a fragment of one of the world's most threatened ecosystems, as part of BBC News Online's "Planet under pressure" series.

The Tongass - America's largest national forest - has become a key battleground for the US presidential campaign, writes Martha Dixon.

BBC News Online examines the environmental credentials of the nine cities hoping to make the shortlist to host the 2012 Summer Games.

A clearer understanding of the science behind the Earth's problems is the goal of the UN Environment Programme.

Farmers on the island of Cuba are working to make good years of deforestation and soil loss by planting trees on sensitive hillsides.

Forgetful birds are being used to help plant new trees in the National Forest in Leicestershire.