Tag

ecosystems

Planting Milkweed for the Monarch's? Be sure to use the native species!

<!– –> Sometimes we do the wrong thing for the right reasons. That appears to be the case for countless Americans hoping to aid the monarch butterfly. Hearing that pesticides have destroyed the milkweed that monarchs rely on for survival, sympathetic animal lovers ha
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Did Palm Oil Expansion Play A Role In The Ebola Crisis?

The Ebola outbreak in West Africa may have been the result of complex economic and agricultural policies developed by authorities in Guinea and Liberia, according to a new commentary in Environment and Planning A. Looking at the economic activities around villages where Ebola first em
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New data suggests sea levels are rising faster than previously thought

The acceleration in global sea level from the 20th century to the last two decades has been significantly larger than scientists previously thought, according to a new Harvard study. The study, co-authored by Carling Hay, a post-doctoral fellow in the Department of Earth and Planetary
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Salting Roads takes a Toll on the Environment

The United States has a salt problem, and it extends well beyond the excessive sodium we consume in our diets. In the winter months, municipalities rely on dumping salt on the roads to minimize the effects of ice. Altogether, the U.S. uses ten times the amount of salt on roadways than
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Study Finds New Toxic Contaminants In Oil And Gas Wastewater

<!– –> Scientists have discovered high levels of two potentially hazardous contaminants, ammonium and iodide, in wastewater being discharged or spilled into streams and rivers from oil and gas operations. Levels of contamination were just as high in wastewater coming
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Greatest concentrations of world's soil carbon pinpointed in peat bogs

The greatest concentrations of the world’s soil carbon have been pinpointed by researchers – and much of it is a dangerously flammable addition to climate change concerns. An international scientific survey of peat bogs has calculated that they contain more carbon than all
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Which fossil fuels must remain in the ground to limit global warming?

<!– –> A third of oil reserves, half of gas reserves and over 80% of current coal reserves globally should remain in the ground and not be used before 2050 if global warming is to stay below the 2°C target agreed by policy makers, according to new research by the UCL
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Corals Threatened by Changing Ocean Conditions

The lowering of the ocean’s pH is making it harder for corals to grow their skeletons and easier for bioeroding organisms to tear them down. Erosion rates increase tenfold in areas where corals are also exposed to high levels of nutrients, according to a study published January 2015 i
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Global Warming History Repeats Itself

The Earth’s current warming is looking similar to what took place 55 million years ago, writes David Bond. And if it works out that way, the news is good: we may avoid a mass extinction. On the other hand, the poles will melt away completely, and it will take hundreds of thousan
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Study reveals new method to estimate the global impacts of dams

<!– –> When dams are built they have an impact not only on the flow of water in the river, but also on the people who live downstream and on the surrounding ecosystems. By placing data from close to 6,500 existing large dams on a highly precise map of the world’s riv
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