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"Don't it always seem to go that we don't know what we got 'til it's gone. They pave paradise and put up a parking lot."
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Even safe levels of air pollution found to have health impacts in European study

Particulate matter and NO2 air pollution are associated with increased risk of severe heart attacks despite being within European recommended levels, according to research presented at ESC Congress today by Dr Jean-Francois Argacha, a cardiologist at University Hospital Brussels (UZ Brussel-Vrije Universiteit Brussel), in Belgium.1"Dramatic health consequences of air pollution were first described in Belgium in 1930 after the Meuse Valley fog," said Dr Argacha. "Nowadays, the World Health Organization (WHO) considers air pollution as one of the largest avoidable causes of mortality. Besides the pulmonary and carcinogenic effects of air pollution, exposition to air pollution has been associated with an increased risk in cardiovascular mortality."

Source: Environmental News Network | 30 Aug 2015 | 4:40 pm MSD

Walrus's hit the beaches again

On both sides of the Bering Strait, summer sea ice has once more dropped to a level that is driving thousands of walruses onto coastal beaches. Photos taken in Ryrkaypiy in Chukotka, Russia show an estimated 5,000 walruses hauled out in that spot, while across the strait in the United States, thousands more are hauled out near the village of Point Lay, Alaska. Villagers in both places are working to protect resting walrus herds from curious onlookers, as walruses hauled out in such large numbers on beaches are prone to being stampeded, killing smaller animals in the crush. During the late summer and early fall, the Pacific walruses of the Chukchi Sea north of Alaska and of Russia’s Chukotka prefer to rest on sea ice over the shallow waters of the continental shelf.  In those areas they can readily access food on the seabed.

Source: Environmental News Network | 29 Aug 2015 | 4:11 pm MSD

Can rain clean the atmosphere?

As a raindrop falls through the atmosphere, it can attract tens to hundreds of tiny aerosol particles to its surface before hitting the ground. The process by which droplets and aerosols attract is coagulation, a natural phenomenon that can act to clear the air of pollutants like soot, sulfates, and organic particles. Atmospheric chemists at MIT have now determined just how effective rain is in cleaning the atmosphere. 

Source: Environmental News Network | 28 Aug 2015 | 11:31 pm MSD

Study links air pollution to low GPAs

A University of Texas at El Paso (UTEP) study on children’s health has found that fourth and fifth graders who are exposed to toxic air pollutants at home are more likely to have lower GPAs.

Source: Environmental News Network | 28 Aug 2015 | 6:01 pm MSD

New study predicts future Antarctic ice loss

A new international study is the first to use a high-resolution, large-scale computer model to estimate how much ice the West Antarctic Ice Sheet could lose over the next couple of centuries, and how much that could add to sea-level rise. The results paint a clearer picture of West Antarctica’s future than was previously possible. The study has been published in The Cryosphere, an open access journal of the European Geosciences Union (EGU).“The IPCC’s [Intergovernmental Panel on Climate Change] 4th and 5th Assessment Reports both note that the acceleration of West Antarctic ice streams in response to ocean warming could result in a major contribution to sea-level rise, but that models were unable to satisfactorily quantify that response,” says Stephen Cornford, a research assistant at the University of Bristol, UK and lead-author of the study.

Source: Environmental News Network | 28 Aug 2015 | 4:16 pm MSD

Dust in the Waters

Each spring, powerful dust storms in the deserts of Mongolia and northern China send thick clouds of particles into the atmosphere. Eastward winds sweep these particles as far as the Pacific, where dust ultimately settles in the open ocean. This desert dust contains, among other minerals, iron — an essential nutrient for hundreds of species of phytoplankton that make up the ocean’s food base.

Source: Environmental News Network | 27 Aug 2015 | 9:59 pm MSD

NASA's latest satellite data reveals global sea level rise

Global sea levels have risen nearly 3 inches in less than 25 years, with some locations around the world rising more than 9 inches, according to NASA’s latest satellite data. An intensive research effort now underway, aided by NASA observations and analysis, points to an unavoidable rise of several feet in the future.

Source: Environmental News Network | 27 Aug 2015 | 5:49 pm MSD


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