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Environment

New record energy efficiency for artificial photosynthesis

As the world moves towards developing new avenues of renewable energy, the efficiencies of producing fuels such as hydrogen must increase to the point that they rival or exceed those of conventional energy sources to make them a viable alternative. Now researchers at Monash University in Melbourne claim to have created a solar-powered device that produces hydrogen at a world-record 22 percent efficiency, which is a significant step towards making cheap, efficient hydrogen production a reality.Read More

India's Cochin International to become world's first completely solar-powered airport

It may not be the first airport to fit solar panels to its terminals, but India's Cochin International Airport is set to become the first in the world powered entirely by solar. Situated in Kochi, the airport handled 6.8 million passengers in the 2014-15 financial year and forecasts a 300,000-tonne (330,700-ton) reduction in carbon emissions over the next 25 years as a result of the switch to solar.Read More

Project Sunroof calculates rooftop solar potential using Google Maps

Ever balked at installing solar panels on your roof because it's pretty damn expensive or you're not sure how much power it would actually generate, or a combination of both? Well, a new venture from Google is aimed at taking the guesswork out of weaning your household off the grid. Powered by Google Maps, Project Sunroof can tell users how much sun is hitting their roof and how much they might be able to shave off their power bills.Read More

The Pilgreens embark on electric tuk-tuk odyssey to promote green mobility

Three French students will travel from Bangkok, Thailand to Toulouse, France on an electric tuk-tuk in an effort to demonstrate that electric power will be sufficient for our future mobility needs. They plan to cover 20,000 km (12,427 mi) through 16 countries in 120 days on their modified three wheeler relying on two giant batteries, a solar panel and the generosity of strangers.

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Addition of a single gene makes rice more environmentally friendly

The world's growing population faces a constant string of tradeoffs. On the one hand, we need more rice to feed ourselves. On the other hand, control of greenhouse gases is a major priority and rice growing generates a lot of methane. It seems like a Catch 22, but a team led by the US Department of Energy's Pacific Northwest National Laboratory (PNNL) has come up with a genetically engineered strain of rice that not only produces almost no methane, but also more grains.Read More

Study claims perovskite solar cells can recoup their energy cost within three months

Scientists at Northwestern University and the U.S. Department of Energy have found that perovskite cells, one of the most promising solar technologies of recent years, can repay their energy cost over 10 times faster than traditional silicon-based solar cells. The finding confirms that, once issues related to cell longevity are ironed out, perovskite cells could soon bring us solar energy on the cheap, and do so with less impact on the environment over their lifetime.Read More

Smog Free Tower creates clean air, and air that you wear

Smog affects many major cities around the world and can cause health problems for those breathing it in. To highlight this issue, Dutch artist Daan Roosegaarde is building what he calls the world's largest air purifier. The Smog Free Tower is designed to allow people to breathe clean air in a city ... plus it also turns the smog into jewelry.Read More

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