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Showing results 51-59 of 59 for 'Environment'


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    Weizmann Institute Research: Large Semi-Arid Forests Could Cool the Planet

    Planting the “right kinds” of forests extensively in areas that have mostly been neglected in forestation efforts − semi-arid regions in Africa and Australia − could have a measurably positive influence on the climate and help offset a significant portion of human-induced global warming. This was discovered recently by Weizmann Institute of Science researchers led by Prof. Dan Yakir of the earth and planetary sciences department who used an Israeli forest as a model. The research was published in the journal Scientific Reports.

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    Food Waste: The Biggest Loss Could Be What You Choose to Put in Your Mouth

    About a third of the food produced for human consumption is estimated to be lost or wasted globally. But the biggest waste, which is not included in that estimate, may be through dietary choices that result in the squandering of environmental resources. In a study published in the Proceedings of the National Academy of Sciences (PNAS), researchers at the Weizmann Institute of Science and their colleagues have now found a novel way to define and quantify this second type of wastage. The scientists have called it “opportunity food loss,” a term inspired by the “opportunity cost” concept in economics, which refers to the cost of choosing a particular alternative over better options.

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    Humans Just 0.01% of All Life but Have Destroyed 83% of Wild Mammals

    Humankind is revealed as simultaneously insignificant and utterly dominant in the grand scheme of life on Earth by a groundbreaking new assessment of all life on the planet. The world’s 7.6 billion people represent just 0.01% of all living things, according to the study. Yet since the dawn of civilisation, humanity has caused the loss of 83% of all wild mammals and half of plants, while livestock kept by humans abounds.

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    Freezing Fly Eggs for the Future

    The three fresh Weizmann Institute of Science graduates – Drs. Yuval Gilad, Idan Alyagor, and Yoav Politi – named their company FREEZEM. As the name suggests, they are developing a way to cryogenically freeze the fly eggs so that they remain viable. The technology for freezing fly eggs, they say, is different from that used to freeze human ova or bacteria, and they are the first to offer this development.

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