Ten African nations have pledged, ahead of Rio+20, to include the economic value of natural resources in their national accounts.

SciDev.Net speaks to UN Environment Programme executive director Achim Steiner at the Eye on Earth Summit (12-15 December) about next year's Rio+20.

New technologies offer the promise of delivering environmental information to anyone who wants it, anywhere in the world. But we are not quite there yet.

A preparatory meeting for the Rio+20 summit will discuss open access environmental data with a focus on biodiversity, water, oceans, cities and disasters. Yojana Sharma reports.

Laura Hood summarises the latest data on the world's biodiversity, with facts and figures on its value and efforts to conserve it.

Hannah Chalmers gives the low-down on how reducing emissions from deforestation can play a central role in tackling climate change.

Remote sensing is crucial for getting the measure of forest loss. Countries don't need their own satellites but they do need training.

China's profitable rubber industry is a boon for some rural communities, but the environmental costs could be much higher.

The UN supports forest protection in the next climate agreement, but questions on how to tackle deforestation are still being debated.

The palm oil industry needs to prove its sustainability and is turning to scientists for ways to minimise harm, reports Richard Stone.

Leafy forests replanted by communities in Nepal are flying in the face of accepted conservation practice, reports T. V. Padma.

T. V. Padma reports on Bhutan's dilemma: how to reconcile conservation, economic development and happiness in a modern world.

The Mbendjele pygmies can now protect trees from loggers by mapping their positions using a GPS system, reports Michael Hopkin.

Dust storms in China have been increasing, but a project in Bayinhushu shows how to reduce them, reports Dennis Normile.

The popularity of palm oil as a biofuel is a disaster for Indonesia's forests, providing cover for illegal loggers and destroying biodiversity in the region, reports Ian MacKinnon.

Scientists have embarked on an ambitious plan to restore the ecosystems of Brazil's Atlantic rainforest devastated by deforestation, reports Bernice Wuethrich.

Lucy Williamson reports on the problems faced by a project to rehabilitate Indonesia's depleted peatland rainforests.

A Brazilian farming method that is greener and boosts growth is reaching its small farmers and maybe the world, reports Bernardo Esteves.