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It’s World Water Day today, with the UN focusing its efforts on waste water – specifically, how we can reduce and reuse it. The truth is, as Serena Caucci writes, farmers around the world are already using waste water on their crops, with dangerous results for human health. But there is another way. Treated properly, waste water can provide energy, irrigation and conservation benefits, Tamara Avellán explains.
And catch up with the latest in our series on politics and social media, with a profile of India’s biggest influencer, Prime Minister Narendra Modi.
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Jianan Yu/Reuters
Tamara Avellán, United Nations University
There is no longer any good reason to waste any type of water. We have the technology to turn waste water into a vital resource.
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Environment + Energy
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Serena Caucci, United Nations University; Kristin Meyer, United Nations University
Worldwide, farmers are already using untreated wastewater to irrigate their crops. Here's how to mitigate the danger.
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Mike Muller, University of the Witwatersrand
South Africa did a brilliant job of increasing access to safe water for millions of people after the first democratic elections in 1994. But it hasn't kept up the good work.
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Rosalyn R. LaPier, Harvard University
For the Blackfeet, Lakota and other Native American people, water does more than sustain life – it's the place of the divine.
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Politics + Society
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P. Vigneswara Ilavarasan, The Indian Institute of Technology Delhi
India's Prime Minister, Narendra Modi, knows how to use social media in politics. But the rest of his government? Not so much.
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Brendan Ciarán Browne, Trinity College Dublin
From handshakes to football matches, the late deputy first minister understood that little gestures go a long way.
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Science + Technology
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Monica Grady, The Open University
Scientists discover a growing fault line in the "neck" region of the duck-shaped comet.
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