Ecosystems

Researchers Track Ammonium Source in Open Ocean
October 29, 2014 04:29 PM - Brown University

To understand the extent to which human activities are polluting Earth’s atmosphere and oceans, it’s important to distinguish human-made pollutants from compounds that occur naturally. A recent study co-authored by a Brown University professor does just that for ammonium, a compound that is produced by human activities like agriculture, as well as by natural processes that occur in the ocean. The research, based on two years of rainwater samples taken in Bermuda, suggests that ammonium deposited over the open ocean comes almost entirely from natural marine sources, not from anthropogenic sources.

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First Hookworm Vaccine Passes Brazilian Safety Trial
October 8, 2014 09:33 AM - SciDevNet, SciDevNet

A vaccine for parasitic intestinal worms has been shown to be safe in Brazilian clinical trials, according to its US developer. Hookworm parasites infect more than 600 million people worldwide, attaching themselves to the intestines to feed on blood. Infection can lead to iron deficiency and capillary damage, and may retard children’s growth and mental development.

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SPOTLIGHT

The Aral Desert: Once a Sea - Now, All Dried Up

Anson Mackay, The Ecologist

The Aral Sea is a well known environmental disaster zone. But this year, it got a whole worse, writes Anson Mackay, as its biggest basin dried up completely to expose a toxic, salty wasteland. With continuing irrigation and declining river flows due to climate change, the desert is only set to expand. The Aral Sea has reached a new low, literally and figuratively. New satellite images from NASA show that, for the first time in its recorded history, its largest basin has completely dried up. However, the Aral Sea has an interesting history - and as recently as 600-700 years ago it was as small, if not smaller, than today.

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The Top 10 Solar States: You May Be Surprised

October 25th, 2014
The clean energy sector has been on an economic roller coaster the past several years, but despite entrenched interests, questions about efficiency and costs, renewables are on the upswing in the U.S.
To read the full post and comment, visit the ENN Community Blog

More Eco-Themed Halloween Costume Ideas!

October 10th, 2014
We’re about 3 weeks from Halloween, my favorite holiday. If you  are  like me you’ve probably been brainstorming your costume since last November.  Of course, I don’t expect everyone to be as gung-ho about Halloween as me, so I have provided some “Eco-Themed” costume ideas for those less Halloween inclined. Two years ago I made [...]
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EPA’s ENERGY STAR Program Promotes LED Lights

October 7th, 2014
What do fortune tellers, couch potatoes, and amateur make-up artists have in common? They’re all hopelessly in the dark about the life-changing benefits of LED bulbs – until they learn to look for the ENERGY STAR.
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