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  • News

    A big analysis of environmental data strengthens the case for plant-based diets

    From beef to beer, coffee to chocolate, there are environmental costs in what humanity chooses to eat and drink. Now a new study that quantifies the impact on the planet of producing and selling 40 different foods shows how these choices make a difference.

    Agricultural data from 38,700 farms plus details of processing and retailing in 119 countries show wide differences in environmental...

    06/06/2018 - 07:00 Sustainability, Agriculture, Climate
  • News in Brief

    Grapevines are more drought-tolerant than thought

    The latest word on the grapevine is promising.

    During more than a decade of observation, grapevines in Napa, Calif., and Bordeaux, France, never reached lethal levels of dehydration from seasonal drought, researchers report online January 31 in Science Advances. Plant ecophysiologist Guillaume Charrier, at the French National Institute for Agricultural Research in Paris, and colleagues...

    01/31/2018 - 17:33 Agriculture, Climate, Sustainability
  • Year in Review

    Worries grow that climate change will quietly steal nutrients from major food crops

    2017 was a good year for worrying about nutrient losses that might come with a changing climate.

    The idea that surging carbon dioxide levels could stealthily render some major crops less nutritious has long been percolating in plant research circles. “It’s literally a 25-year story, but it has come to a head in the last year or so,” says Lewis Ziska, a plant physiologist with the U....

    12/13/2017 - 08:27 Nutrition, Climate, Sustainability
  • Feature

    Chong Liu one-ups plant photosynthesis

    Chong Liu, 30Inorganic chemistUCLA

    For Chong Liu, asking a scientific question is something like placing a bet: You throw all your energy into tackling a big and challenging problem with no guarantee of a reward. As a student, he bet that he could create a contraption that photosynthesizes like a leaf on a tree — but better. For the now 30-year-old chemist, the gamble is paying off.

    ...
    10/04/2017 - 13:48 Chemistry, Sustainability, Materials
  • Science Stats

    Air pollution takes a toll on solar energy

    Air pollution is a drag for renewable energy. Dust and other sky-darkening air pollutants slash solar energy production by 17 to 25 percent across parts of India, China and the Arabian Peninsula, a new study estimates. The haze can block sunlight from reaching solar panels. And if the particles land on a panel’s flat surface, they cut down on the area exposed to the sun. Dust can come from...

    09/08/2017 - 09:00 Pollution, Sustainability