Tag

ecosystems

The EPA is enhancing sustainability: one Great Lake at a time

Two Great Lakes Restoration Initiative grants were awarded on Friday totaling $1 million earmarked towards Chicago green infrastructure projects. The projects will improve water quality in Lake Michigan. The infrastructure projects will prevent stormwater from carrying contamination i
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Dissolving shells on the West Coast

Evidence now indicates that acidity of West Coast continental shelf waters is dissolving the shells of tiny free-swimming marine snails, called pteropods, the major food source for pink salmon, mackerel and herring. Funded by NOAA, the study estimates the percentage of pteropods in th
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River Birds Affected by Hormone-disrupting Pollutants

Studies have shown for some time now that endocrine disrupting substances from chemicals in sewage and other wastewater can affect the normal sex development in fish. Well now, new research indicates that hormone-disrupting pollutants are also affecting the health and development of w
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Congo rainforest losing its greenness, finds NASA

The Congo, the world’s second largest rainforest, is losing its greenness, finds a new study published in Nature. ADVERTISEMENT The research, based on analysis of NASA satellite data, reveals the impact of long-term drought that has affected the region in 2000. The study may hel
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Illegal Fishing still a big problem in the US

When people talk about illegal trafficking in wildlife, the glistening merchandise laid out on crushed ice in the supermarket seafood counter — from salmon to king crab — probably isn’t the first thing that comes to mind. But 90 percent of U.S. seafood is imported, and according to a
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California Drought

<!– –> The current drought hitting California makes the nightly news in many of the state’s major markets — and for good reason. It’s the worst drought California has seen for 15 years. The entire state is officially in drought, according to the April 22
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Who came first: the farmer or the hunter-gatherer?

This is the question being asked by researchers from Uppsala and Stockholm Universities. And now with a genomic analysis of eleven Stone Age human remains from Scandinavia the researchers have concluded that the Stone Age farmers assimilated local hunter-gatherers who were historicall
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US wood pellet exports to Europe hit record high

Europe’s boom in biomass demand has led to a doubling of wood pellet exports from North America in just two years to reach 4.7 million tons in 2013, according to the latest data. ADVERTISEMENT North America exported wood pellets valued at over 650 million dollars in 2013, a dram
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After Widespread Deforestation, China Bans Commercial Logging in Northern Forests

Forestry authorities in China have stopped commercial logging in the nation’s largest forest area, marking an end to more than a half-century of intensive deforestation that removed an estimated 600 million cubic meters (21 billion cubic feet) of timber. The logging shutdown was
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Are Large Dams Economical?

A study of 245 large dams carried out at Oxford University shows that big hydropower is uneconomic. Actual costs are typically double pre-construction estimates – and have not improved over 70 years. ADVERTISEMENT Researchers at Oxford University have found that planners and pol
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