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Bio-centres which transform human waste into electricity prove that faeces is the ultimate source of renewable energy.
Whether at household operations or at industrial facilities, a centuries-old technology is increasingly being used to extract energy from crop waste, kitchen scraps and sewage.
Developing countries continue to build large dams despite concerns about their environmental impact and the displacement of people.
Climate change affects everything from public health to migration patterns. So why has the legal response to a global problem been so weak?
Fifth-graders build a portable solar energy generator meant for an orphanage in Africa.
For their contributions in driving the country’s green movement, 28 individuals and organisations received honours.
Some US cities have begun to address the effects of climate change such as rising seas and more extreme weather.
Google buys Altamont wind energy to run Googleplex.
Country’s latest solar farm one of the most resource-efficient in the world.
Global award recognises agency’s contribution to developing the nation’s biofuel economy.