Engineers want the Rio+20 summit proposals to give more emphasis to the role engineering plays in driving sustainable development.

Nepal plans to expand its household biogas programme, a model for developing countries, into commercial use.

Cutting methane and soot emissions could quickly tackle climate change while boosting crops and health, says a study.

Campaigners welcome plenty of science in the first draft of the planet's environmental negotiations, but say there are omissions.

China and African countries are collaborating on technology transfer to use bamboo charcoal instead of forest trees for firewood.

An OECD report released ahead of UN climate talks in Durban calls for more financial support for research on new climate technologies.

CDM rules need reforms to include renewable energy projects that have government support.

Durban climate talks must revisit technology transfer for climate mitigation, says India's environment minister.

Himalayan experts have warned that renewable energy developments that depend on external funding may be on shaky ground.

The Asia-Pacific region needs a green 'industrial revolution' to cut unsustainable consumption of natural resources and pollution.

Mountain ranges in the developing world have some of the best potential for producing solar energy, but costs may stand in the way.

There are research gaps in assessing whether clean cookstoves have the desired health effects, say researchers.

A "nuclear Davos" could turn the growing internationalisation of the nuclear industry to good effect, the UK's Royal Society has said.

National priorities must dictate how poor nations make the transition to green economies, a meeting ahead of Rio+20 conference has heard.

The first wind farm in the Dominican Republic will kick off a national project that will see another three parks added by 2013.

The key challenge with water is inefficient management, rather than scarcity, the World Water Congress has heard.

Chinese and Indian plans to use batteries to store solar power could drive up lead emissions.

For the first time, the developing world has overtaken richer countries in new investments in green energy.

Scotland will help the Maldives in its plan to become the world's first carbon neutral country, reports Haveeruonline.

A report highlights an Argentinean initiative to provide energy access to rural and remote communities not covered by the national grid.