Subglacial lakes in Antarctica might have nutrient-rich groundwater flowing into them, say scientists investigating the origin of the water in ice streams.
Ice streams are huge, fast-flowing glaciers that meander across Antarctica. They are responsible for nearly all of the Antarctic's contribution to sea-level rise, yet scientists have little understanding of where the water flowing through them comes from. This means that the contents of the subglacial lakes which lie underneath these streams is also a mystery.
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China's national legislature has adopted sweeping changes to the country's Environmental Protection Law, revisions that have been hailed as major steps toward saving China's environment from rampant degradation. The authorities will now have stronger enforcement powers, including the right to detain persistent violators for up to 15 days and to fine polluters more heavily than before. Some legally registered civil-society organizations will now be able to initiate public-interest litigation as well.
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As the earth's temperatures rise, some have speculated that trees and shrubs in the colder climates might experience and increase in growth as a result of the extended growing season. "Not so," says a recent study authored by a University of Washington biology and applied mathematics postdoctoral student. Her study demonstrates that bushes achieve less yearly growth when cold winter temperatures are interrupted by warm spurts that trigger growth.
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Memorial Day, el inicio no oficial del verano y la temporada de las parrilladas al aire libre están a la vuelta de la esquina. Por desgracia, las parrilladas al aire libre están muy a menudo relacionadas con una enorme cantidad de residuos de basura. Hagamos de este verano, el “verano ecológico†con estas alternativas ecológicas para una parrillada de verano de bajo impacto:
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If something smells fishy the next time you step up to the seafood counter or sit down for sushi, it may not be the catch of the day. An estimated 33 percent of seafood sold in the United States is incorrectly labeled by type of fish, catch method or provenance, according to a recent report by conservation group Oceana. So that ahi tuna roll you ordered might actually be escolar, a cheaper substitute known as the 'ex-lax fish' for its digestive effects, and the wild-caught shrimp at the grocery store could have in fact been farm-raised in Thailand.
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A world expert on solar panels will today outline how his pioneering work is set to significantly improve the performance of solar panels whilst simultaneously contributing to their cost being reduced by half. The technology will be commercialized within the next five years.
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