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Researchers tackle methane emissions with gas-guzzling bacteria

An international research team co-led by a Monash biologist has shown that methane-oxidising bacteria - key organisms responsible for greenhouse gas mitigation - are more flexible and resilient than previously thought.

Industrial processes such as petroleum production and waste treatment release large amounts of the methane, carbon dioxide and hydrogen into the atmosphere.

"By using these gas-guzzling bacteria, it's possible to convert these gases into useful liquid fuels and feeds instead," Dr Greening said.

Cities worldwide lay the groundwork for a zero-waste future

Inhabitat - Cities around the world lay the groundwork for a zero-waste futureCities around the world are pledging to reduce waste over the next 12 years in Cities around the world are pledging to reduce waste over the next 12 years in an effort to curb global warming and eventually become zero-waste cities. During the Global Climate Action Summit, the C40 announced a new initiative that encourages cities to eliminate waste production and end the practice of waste burning. So far, 23 cities have agreed to become zero-waste and will work toward that goal by "reducing the amount of municipal solid waste disposed to landfill and incineration by at least 50 percent … and increase the diversion rate away from landfill and incineration to at least 70 percent by 2030," according to C40

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Japanese man is first to receive 'reprogrammed' stem cells from another person

World-first transplant to treat macular degeneration could augur rise of iPS cell banks.

On 28 March, a Japanese man in his 60s became the first person to receive cells derived from induced pluripotent stem (iPS) cells that had been donated by another person.

The surgery is expected to set the path for more applications of iPS cell technology, which offers the versatility of embryonic stem cells without the latter's ethical taint. Banks of iPS cells from diverse donors could make stem cell transplants more convenient to perform, while slashing costs.

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Australia First to Receive Ocean Wave Generated Zero-Emission Electricity (Energy Mafia is on its knees)

The world is in desperate need of alternative energy, and Australia just rode the wave, quite literally, into a new energy paradigm. Using the Perth Wave Energy Project's CETO 5 wave energy generators developed by Carnegie Wave Energy Limited, the movement of the ocean is creating renewable, sustainable energy – which can even be used to make potable water through desalinization.

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Paper-thin printed solar cells could provide power for 1.3 billion people

The cost of solar power has declined dramatically over the past few decades, from $40 per watt in 1977 to $0.74 per watt in 2013. This trend is expected to accelerate as improvements in efficiency and new technologies come online. This is good news for citizens of developed countries who want to make the switch to a cleaner and increasingly cheaper energy source. The shift to solar may be most dramatic for those living in developing countries. Thanks to inexpensive printed solar cells, 1.3 billion people currently without electricity may be able to plug in for the first time.

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