Mirror, mirror
What was once hailed as an endless source of desert electricity has now fallen by the wayside in the profitability race. Is concentrated solar power condemned to remain a niche player in the energy market.
New Energy
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Overshadowed by photovoltaics
Because the price of solar panels is plummeting, large ground-mounted photovoltaic plants are squeezing solar thermal power plants out of the market. Is the future of concentrated solar power already over?
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Green takeoff
Lufthansa is the world's first airlines to use biofuel on scheduled flights. In the long term, the aviation industry will not achieve its climate goals without biofuels.
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Halfway there
Japan has agreed a feed-in law, but important regulations have yet to be decided. Nonetheless, the industry is expecting a strong upswing.
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Energy revolution updated
<p>EREC and Greenpeace have revised their global scenario of a world with 100 percent renewables and no carbon emissions. Progress is being made faster than expected.</p>
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Where turbotrees flourish
Forests as energy sources are now to help reduce carbon emissions. The search is on for land areas and suitable trees. Germany could have been a leader in this field, had it not squandered its head start.
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Everything from renewables
The European Renewable Energy Council (EREC) has launched its new major study RE-thinking 2050, outlining pathway of how the EU can switch to 100 percent renewable energy supply for electricity, heating and cooling, as well as for transport.
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The climate giant
China's is the world leader when it comes to greenhouse gas emissions - and continues to expand. The People's Republic has a hard time accepting caps.
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Singh's action plan
India's government plans to confront climate change with a "national mission." But how much action does this mission really include.
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End of the solar eclipse
Solar power has played practically no role in India up to now. But that may change soon. The government has introduced an ambitious program to expand the country's solar output to 20 gigawatt (GW) by 2020
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Race to find the best alcohol
Scientists and companies around the world are working on microbiological processes to make bioethanol out of cellulose. They're also wondering whether butanol may not be even better.