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  • Filtration Systems on School Buses Are Needed to Protect Children from Pollutants

    Mon 2:56pm
    An on-board air filtration system developed specifically for school buses reduces exposure to vehicular pollutants by up to 88 percent, according to a study by researchers at the UCLA Fielding School of Public Health. The high-efficiency cabin air, or HECA,…
  • An Organic Future

    Mon 7:52am
    The words ‘organic’ and ‘sustainability’ are bandied around quite a bit. While some won’t eat anything but organic, others deny that there’s any future in organic farming. After all, with a population that’s seven billion-strong and growing, how…
  • How did Emperor Penguins survive the last ice age?

    Mon 7:00am
    The study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica was likely the refuge for one of these populations.The…
  • In California, Beavers are essential to recovering wild salmon

    Sun 4:35pm
    With California's wild Coho salmon populations down to 1% of their former numbers, there's growing evidence that beavers - long reviled as a pest of the waterways - are essential to restore the species, writes Maria Finn. In the process, they raise water…
  • Using satellites to monitor forest health

    Sat 7:12am
    Scientists for the first time have simultaneously compared widespread impacts from two of the most common forest insects in the West – mountain pine beetle and western spruce budworm – an advance that could lead to more effective management policies.By…
  • Why the sun impacts climate more during cooler periods

    Fri 4:08pm
    The activity of the Sun is an important factor in the complex interaction that controls our climate. New research now shows that the impact of the Sun is not constant over time, but has greater significance when the Earth is cooler. There has been much…
  • China bans carved ivory imports

    Fri 9:00am
    China has established a one-year ban on imports of carved African elephant ivory. Conservationists say the move, effective immediately, sends an important signal, but alone won't be enough to slow elephant poaching. "This announcement is an encouraging…
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