SciDev.Net

Densely populated cities must use their financial clout to combine the fight for clean air with reducing carbon emissions, scientists say.

China has reduced its sulphur dioxide emissions, but its failure to reduce nitrogen emissions could worsen acid rain in the country.

Biofuels are neither a panacea nor a pariah, says a major UN report, but they must not be grown on productive cropland.

Scenarios — and costs — for attaining a low-carbon economy in China are outlined in a major report.

As the world's most populated nation puts tackling greenhouse gases on the agenda, science and technology are given centre stage.

The conditions are in place to eliminate carbon emissions from electricity generation in China, say scientists.

Chile has launched a renewable energy centre to promote technology transfer and provide information about renewable energy in the country.

India has ambitious plans for solar power over the next three decades, but environmentalist Sunita Narain has warned that they are unrealistic.

Plans for Kenya's first nuclear power plant are making progress, with two potential construction sites announced.

The recently formed International Renewable Energy Agency has chosen to make the Middle East its home.

Biofuels from both food and non-food crops will be produced as a result of a research collaboration involving Brazil, Egypt and Sudan.

Renewable energy could account for a much higher proportion of the global energy supply than previously estimated — if we pay up.

Common goals on biofuels and climate change have led Brazil and China to forge a research collaboration.

The world's poor are likely to benefit from key science-related appointments in the president-elect's administration.

A new international agency will provide consultancy to governments about the introduction of renewable energy across the globe.

Work to develop geothermal energy generation in Kenya's Rift Valley will be stepped up in 2009 following successful drilling tests.

Morocco is investing US$3.2 billion in clean energy development, including a renewable energy 'knowledge campus' in Oujda.

The clean technology sector in Africa has a new source of funding with the launch of the Evolution One investment fund in South Africa.

Brazil has prepared its climate change plan, which is available for public consultation until the end of the month.

A new policy will increase India's biofuel production and the proportion of bio-ethanol and biodiesel in its fuels.