Can a new network of African energy researchers lead the way on solar power for the continent? Christine Ottery finds out.

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

SciDev.Net talks to Sylvia Earle, scientist, oceanographer, explorer, about her hopes for oceans at the Rio+20 conference in Brazil in 2012.

The cities account for more than three quarters of emissions of CO2, are home to half the world population and will be 'highly visible' at Rio +20.

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 network of mountaintop research stations is being built across Asia to study how large bodies of ice respond to increasing temperatures.

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.

A project that aims to help communities adapt by providing localised climate data should be ready by next year.

Researchers are combining data in new ways to identify who is most vulnerable to climate change and population growth.

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

SciDev.Net reporters from around the world tell us which countries are set on developing nuclear energy despite the Fukushima accident.

The recent nuclear scare in Japan has reinforced pressure in China to raise its awareness of the risks of new technologies. Li Jiao reports.

The InfoClim project, which distributes climate data to local communities, has helped Senegalese farmers adapt to climate change. SciDev.Net investigates.

Nearly forty years since its inception, India's Barefoot College has trained 15,000 women in a range of poverty-stemming skills.

As Japan's nuclear accidents send shockwaves round the world, Alex Abutu explores whether Africa is ready to provide safe nuclear power.

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

Rwanda hopes to secure its future with solar power, but it currently accounts for just 0.1 per cent of energy production.

As the UN Millennium Development Goals are scrutinised in New York, SciDev.Net finds out what — if anything — science has contributed.

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