Researchers at the Columbia Center for Children’s Environmental Health (CCCEH) within the Mailman School of Public Health report evidence of potentially harmful flame-retardants on the hands and in the homes of 100 percent of a sample of New York City mothers and toddlers. The study also found that, on average, toddlers in New York City had higher levels of common flame-retardants on their hands compared to their mothers.

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Burlington, ON – IKEA Canada has signed agreements to acquire an 88MW wind farm located near Drumheller, Alberta approximately 130km east of Calgary. Consisting of 55 turbines, the Wintering Hills wind farm will generate 275 million kWh (kilowatt hours) of energy, the equivalent to the electricity consumption of 54 IKEA stores or nearly 26,000 Canadian households.

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What can we learn from the Nordic low-carbon energy transition given the new US leadership vacuum on climate change? A new study by Professor Benjamin Sovacool at the University of Sussex offers some important lessons.

The Trump administration's "First energy plan" criticises the "burdensome" regulations on the energy industry and aims to eliminate "harmful and unnecessary policies such as the Climate Action Plan" which was introduced by President Barack Obama. It has also deleted all mentions of climate change and global warming from the White House website.

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Scientists discover key mechanism that controls when fruit flies sexually mature

Like humans, insects go through puberty. The process is known as metamorphosis. Examples include caterpillars turning into butterflies and maggots turning into flies.

But, it has been a long-standing mystery as to what internal mechanisms control how insects go through metamorphosis and why it is irreversible.

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For Bill Mook, coastal acidification is one thing his oyster hatchery cannot afford to ignore.

Mook Sea Farm depends on seawater from the Gulf of Maine pumped into a Quonset hut-style building where tiny oysters are grown in tanks. Mook sells these tiny oysters to other oyster farmers or transfers them to his oyster farm on the Damariscotta River where they grow large enough to sell to restaurants and markets on the East Coast.

The global ocean has soaked up one third of human-caused carbon dioxide (CO2) emissions since the start of the Industrial Era, increasing the CO2 and acidity of seawater. Increased seawater acidity reduces available carbonate, the building blocks used by shellfish to grow their shells. Rain washing fertilizer and other nutrients into nearshore waters can also increase ocean acidity.

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