Water

Water scarcity to hit half Mankind by 2050

According to researchers from the Massachusetts Institute of Technology, ” by 2050 more than half the world’s population will live in water-stressed areas and about a billion or more will not have sufficient water resources. “ ” (…) The researchers expect 5 billion of the world’s projected 9.7 billion people to live in water-stressed areas by …

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France simply won’t give into fracking

For my second post on Cleantechies in less than a week, I bring good news from my home country, France, as it is stepping away from polluting, nefarious and dangerous fossil fuels : shale oil and gas retrieved via fracking. ” I reported previously here on Cleantechies that in 2011 France was the first country …

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Climate change endangers tea

It seems every single thing we enjoy in our daily lives is endangered by unchecked climate change. We have seen here that chocolate, coffee and wine will see their productions alter and decrease by warming temperatures. Climate Progress published last month a list of 16 of your favorite things that climate change is totally screwing …

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Majority of Mankind to face water shortage by 2050

Back to May, a group of water scientists issued a declaration stating that over half the world population would face water shortage by the middle of the century.Given how we just can’t live without the precious fluid, let’s hope we will act. The main causes are known : over-pumping of underground aquifers, soaring populations, pollution, …

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Solar electricity, A/C and water. All-in-one.

To Climate Progress, Swiss researchers working with IBM ” have built a new solar dish, called the High Concentration PhotoVoltaic Thermal system (HCPVT) that tackles the waste heat problem by using it to generate fresh water.” Yep, a solar installation that generates fresh water, thus solving two common problems faced in developing nations around the world. …

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Turning urine into electricity

I recently wrote a post on how we could turn urine and feces into energy thanks to the Bill and Melinda Gates Foundation. I also wrote about some similar efforts that are being done in Singapore. Now, according to Grist and Ecogeek, four African teenage girls created a generator that runs on pee, turning one …

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Are our cities just too big to flood ?

This was the question asked on the the Yale Environment 360 blog and I believe the timing is perfect as last year cities such as New York City, Manila and Bangkok got it by record floods. Now it is the turn of Jakarta. The capital megacity of Indonesia now has water in its streets and …

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Food waste : a HUGE issue

According to a new study by the Institute of Mechanical Engineers “Between 30 and 50 percent of all the food that’s produced on the planet is lost and wasted without ever reaching human stomachs.” Treehugger wrote a compelling article on how this is such a huge and awful waste as there are still hundred of …

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Splitting water with solar power

This is a guest post from Mathias Aarre Maehlum, an environmentalist who studies energy engineering. In his spare time he works as a freelance writer. Read more of his stuff at Energy Informative. Researchers at Technion-Israel Institute of Technology have figured out a way to split water molecules (H2O) into hydrogen by using the sun.Hydrogen …

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