Properties, sources and uses of the element dubnium.
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Throughout the year the Antarctic hole in the ozone layer (defined as less than 220 Dobson Units) grows and recedes seasonally, reaching it's maximum size this year on September 26th.
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The wildfires threatening Sydney and other parts of New South Wales, Australia, are finding fuel in eucalyptus forests, which many experts blame for wildfires that have blazed through the hills of California and other places.
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The Amazon rain forest's dry season lasts longer than it did 30 years ago, and the likely culprit is global warming, a new study finds.
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A four-acre strip of land in Canada that has probably never been visited by humans wins the haphazard title. Located at exactly 69.793° N, 108.241° W.
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Fields of bright, blooming sunflowers are a sure sign of summer turning into autumn in many areas around the world where they are grown. See photos and learn about sunflowers here.
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A new approach is helping fight both hunger and overfishing in Mozambique.
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Energy security may come not from new oil wells or wind turbines, but from improved efficiency.
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Countries tallying their total greenhouse gas emissions can now get a better estimate thanks to two new reports adopted this week by the Intergovernmental Panel on Climate Change.
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Can the U.S. protect its environmental health without a truly representative republic?
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