Methane rise points to wetlands

Rising demands threaten wetlands
Wetlands risk conversion to farmland as demand for food and biofuel grows, a conference in Brazil is told.

Warming world 'drying wetlands'
More than 700 scientists meet in Brazil to draw up an action plan to protect the world's wetlands.

Hints of methane's renewed rise
Levels of the greenhouse gas methane appear to be rising again after years of stability, data suggests.

Slow progress on ocean protection
Two year after pledging to protect 10% of the oceans, governments have protected less than 1%, a survey finds.

Bush 'seeks to ease wildlife law'
US environmentalists accuse President Bush of trying to rush through changes to the Endangered Species Act.