Environment

  1. Environment

    Satellites find big climate threats — ultra-emitters of methane

    Eyes in the sky show many of the worst methane emitters are in countries that produce a lot of oil and gas, such as Russia and the United States.

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  2. Chemistry

    New process can transform urban CO2 pollution into a resource

    Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.

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  3. Plants

    More than 9,000 tree species may be waiting to be discovered

    Scientists estimated how many tree species are on Earth, an important step for forest conservation and protecting biodiversity.

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  4. Environment

    ‘Mining’ cryptocurrencies pollutes the real world

    Bitcoin and other cryptocurrencies exist only online. Yet the environmental impacts of their networks affect the real world.

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  5. Environment

    How we choose to pay has hidden costs for the planet

    Whether cash or credit, phone apps or digital currencies — all forms of payment have behind-the-scenes costs. And these can vary dramatically.

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  6. Environment

    Bees and butterflies struggle to find flowers in polluted air

    Emissions from cars and trucks make it harder for insects to find flowers. That in turn reduces flower visits and pollination, a new study finds.

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  7. Environment

    Widely used pesticides may threaten Earth’s ozone layer

    Data show a major class of long-used “eco-friendly” copper chemicals unexpectedly react with soil, making gases harmful to Earth’s protective ozone layer.

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  8. Environment

    Scientists Say: Pollution

    Pollution is any substance or form of energy released into the environment that is harmful to people or other living creatures.

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  9. Environment

    Clothes dryers may be a major source of airborne microplastics

    Scientists thought washing machines were a leading contributor of microplastics. Now it appears dryers may be an even bigger problem.

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  10. Physics

    Explainer: Gravity and microgravity

    The force of gravity holds us on the ground, keeps planets in orbit and extends throughout space. A very weak gravitational pull is called microgravity.

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  11. Life

    Living mysteries: Why teeny-weeny tardigrades are tough as nails

    Tardigrades often live in cool, damp moss. Their cushy life has somehow prepared them to survive the lethal radiation of outer space.

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  12. Environment

    Recycling a climate-warming gas could make ‘greener’ farmed fish

    Instead of warming the climate, methane gas can be collected to help farmers. Along the way, it may also save some fish.

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