A greener way to recover methane
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Oil reservoirs could have an environmental make-over with the help of bacteria, researchers say.
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With oil reaching a record-high &#36;54 a barrel and natural gas doubling in price in the last two years, renewable energy is looking a lot better &#151; not just on environmental merits but on price.
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If the world is to end the threat from climate change, we need to be able to produce more with less energy.
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UK scientists have developed a process for making hydrogen from sunflower oil which could prove an important future source of eco-friendly energy.
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Sandia National Laboratories' "Sunshine to Petrol" project uses solar energy to recycle carbon dioxide and recover the building blocks of hydrocarbons, which can then be used to synthesize fuels like methanol and gasoline.
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By Rob Varnon, Connecticut Post, Bridgeport  Sep. 7--It's no longer just hemp-clad college students preaching the need  for humanity to recycle more and reduce consumption of raw materials.
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Using wind to make clean water could be a winning combination.
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Europeâs farmers are beginning to grow crops that can be turned into fuels meant to produce fewer emissions than gas or oil.
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Millions of pounds are on offer for the best way of removing carbon dioxide from the atmosphere.
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Science & environment: DIY chain to stop selling environmentally damaging heaters once current stock is sold off
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Plant, poultry and pig leftovers could provide a substantial menu of options for renewable energy that doesn't disturb the food supply. In Autopia.
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By Geoffrey Lean  Take one of the world's greatest waste problems, and turn it into one of the planet's most precious habitats. It seems a classic green win-win. But dumping used tyres in the sea to make artificial coral reefs has proved to be an environmental disaster.
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Scientists have recently turned to trash in an effort to unearth organic alternatives to petrochemical plastics.
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A new test that produced methane under conditions mimicking the deep interiors of Earth and Mars lends support to an idea that the gas could theoretically support unseen colonies of microbes on both worlds. And the study hints at the possibility of a potential vast supply of petroleum products.
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Scientists at Los Alamos National Laboratory say they have developed a way to produce a truly carbon-neutral fuel using carbon dioxide removed from the air as the raw material.
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Going green with certain home improvements can save you big.
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Rethinking some banal and non-techy energy stuff, such as corn and wood, and you get ... a corn-powered house, anyone? Plus: The green glow, from environmental economics to using algae as a solar collector. Mark Anderson reports from the MIT Energy 2.0 conference in Autopia.