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Cleaner and greener energy - page 6

Netherlands: a machine produces drinking water from air and sun

in Renewable Energy by
sunglacier

Developed under the auspices of the Dutch artist Ap Verheggen, SunGlacier DC01 is currently exhibited in a museum in The Hague. Its principle: condense the moisture in the air to turn it into drinking water. (Article from Lara Charmeil in We Demain, July 28, 2016) Read more

12 000 lettuces per day without pesticides in Japan

in Agriculture by
serre-verticale-japon-02
Courtesy: Philips Lighting
In these vertical greenhouses, farmers produce salads and herbs with LED lights. Courtesy: Philips Lighting

Can we imagine another form of agriculture? A friendlier farming environment which does not use pesticides, do not waste water and reduces CO2 emissions? This is the objective of these projects in Shizuoka and in Narashino City, Japan. Read more

Fuel cookies help families cook up a better future in Bhutan

in Innovation by
boutan1

boutanHarmful smoke produced in homes where coal, wood or manure are used as cooking fuel, is killing hundreds of people every day. However, in Bhutan, Dazin has developed an intelligent alternative – and a financial model – to help Bhutanese families. The company invented the “fuel cookie”. Read more

Spectacular green transition for a farm in Alberta

in Agriculture by
ferme-ecologique-brant-alberta

A farm in Brant, southeast of Calgary was challenged to produce all the energy it uses to reduce its ecological footprint or 30,000-kilowatt hours per year. (Article from ICI.RADIO-CANADA.CA, 26, July 2016) Read more

Let there be fuel… from leaves

in Renewable Energy by
artificial leaf

Researchers from the University of Illinois have reasons to rejoice. They did as good a job as Mother Nature. Not only did they manage to reduce carbon dioxide (CO2) in the atmosphere, but they also succeeded in making good use of it by turning it into fuel, thanks to a special leaf. Let us take a glance at this promising technology. Read more

Spanish company invents bladeless wind turbines

in Renewable Energy by
bladeless vortex

bladeless vortexA Spanish company has developed the future of wind power by removing the blades. This invention contains many advantages. Read more

Lowline, the first underground park in the world, soon in New York

in Sustainable development by

lowline-new-yorks1Lowline will be an incredible underground park project recently receiving the preliminary agreement of the City of New York for its achievement in Manhattan by 2018. Read more

Zero-fuel plane Solar Impulse ends historic round-the-world trip

in Renewable Energy by
  • Solar_Impulse-1.jpg
  • SI-1.jpg
  • SI-BBC-1.jpg

Solar Impulse landed Tuesday in Abu Dhabi, where the aircraft capable of flying day and night with solar energy only as fuel completed a tour of unprecedented world technological challenge. Read more

Use clean energy to combat global warming

in Sustainable economy by

stopConsensus materializes around a very important fact: it is imperative that we move quickly to clean energy. However, even the best case scenario would not be enough to avoid climate catastrophe. Reason: the burning of fossil represents only about 70% of all emissions of greenhouse gases. The remaining 30% are from various causes that must also be addressed. Read more

Hole in the ozone layer over Antarctica is ‘healing’

in Environment by

Ozone-3d

Good news, on the environment, is scarce. For the first time, a group of English and American scientists succeeded in demonstrating that the hole in the ozone layer is showing signs of disappearing.

The hole in the ozone layer over Antarctica is in the process of recomposing much faster than expected, according to a British-American study, published recently in the prestigious journal Science.

The researchers did not expect such a conclusion: the last fifteen years, the hole over the ozone layer has shrunk four million square kilometres, which represents half the size of America. How to explain this “healing” of the ozone layer, in the words of American scientist at Massachusetts Institute of Technology (MIT) who led the study? “It would be largely due to the efforts of countries worldwide to stop using some pollutants gases, chlorine gases,” Susan Solomon told. “This is really a significant accomplishment for society. It is a global environmental dilemma, and we have put ourselves on a good trajectory,” Solomon added.

A significant accomplishment for society” – Solomon

These gases were, for example, in air conditioners, refrigerators, or aerosols. Mainly responsible for the weakening of the ozone layer, they have been progressively banned after the signing of an agreement by all countries in the world in 1987 known as the Montreal Protocol. And because they are less present in the atmosphere, the hole over the Antarctic is absorbed faster.

Scientists are quite optimistic for the future: according to their models at the current rate, the ozone layer will be completely reconstituted by 2050.

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