'Blue carbon' is seen as an increasingly important issue, but it needs to be backed up by better science, reports Mićo Tatalović.

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.

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.

Nuclear power promises clean energy for developing countries. Dave Elliott charts its progress and prospects after the accident at Fukushima.

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

Climate change will affect the water security of developing countries. Lucinda Mileham explores their priorities as they struggle to cope.

Getting the right technology into poor countries is crucial for fighting climate change but how should we go about it? T. V. Padma investigates.

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

Locking carbon away as charcoal in the soil could help to mitigate climate change but whether it will work in practice remains a mystery.

Growing forests might be easy but getting developing-country forests onto the carbon market is proving more difficult.

Yvo de Boer, the UN climate chief, speaks to SciDev.Net about getting clean technology into the developing world.

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

Scientists in the Himalayas are battling poor resources to protect the area from the effects of climate change. T. V. Padma reports.

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

India won't halt development to avoid greenhouse gas emissions but is taking steps to adapt to climate change that is already inevitable, reports T. V. Padma.

T.V. Padma looks at how and why greenhouse gas emissions from India are on the rise.

Climate change in Africa's Sahel region challenges researchers and policymakers because the best models around predict opposite outcomes, reports Catherine Brahic.

Catherine Brahic reports on how fluctuations in Europe’s emissions market could impede green development in poor countries.

Charles Mkoka and Mike Shanahan report on the drive to produce 'biodiesel' from billions of trees planted across the developing world.