A new solar cell design leaves out elements at risk of depletion, such as indium, in favour of copper, zinc, tin and sulphur.
For four hundred million Indians, decentralised energy makes sense today, says the founder of the sustainable energy social enterprise, SELCO.
Algae feed off wastewater and carbon dioxide to produce biomass for fuel, fertiliser and feed in floating 'photobioreactors'.
Discarded cosmetic packages littering Indian villages are being collected for reuse as a new source of fuel.
A new fund in Tatartsan focuses investment on batteries for electric cars and biofuels.
Micro-scale biomass and solar grids are taking off in India, where the mains fails to meet growing demand.
A Pacific island nation has made history by drawing 100% of its energy from the sun.
Germany's Kraftwerker is developing a PV panel-placing robot. Will these automated fitters boost the march of solar power?
MIT researchers are working on a chip that can harvest energy from the sun, heat and movement. Will this make changing batteries a thing of the past?
A start-up in the US claims to have devised a way of reducing diesel engine pollutants by almost 50%.
Green Futures is a publication that features an inspiringly never-ending supply of sustainability innovations.
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