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Green vacation: Go on an eco-friendly safari

Green vacation: Go on an eco-friendly safari

The primary goal of modern-day eco-friendly African safaris is to lessen the ove...

Nepal, the Maldives, and Bhutan could lose around 2 percent G.D.P. due to climate change – A.D.B. report

Nepal, the Maldives, and Bhutan could lose around 2 percent G.D.P. due to climate change – A.D.B. report

Nepal, the Maldives, and Bhutan could be looking at economic losses of around 2 ...

South Asian countries face economic losses due to climate change – A.D.B. report

South Asian countries face economic losses due to climate change – A.D.B. report

Various countries in the South Asian region are looking at significant losses du...

World Bank aids Laos’ hydropower with $40 million in financing

World Bank aids Laos’ hydropower with $40 million in financing

The World Bank Group has inked two agreements for around $40 million in financin...

Vestas, EP Global Energy partner for donor-funded wind farm in Jordan

Vestas, EP Global Energy partner for donor-funded wind farm in Jordan

Wind turbine manufacturer Vestas and private energy asset developer EP Global En...

World Bank commits $5 billion for African renewable energy projects

World Bank commits $5 billion for African renewable energy projects

The World Bank Group has committed US$5 billion towards supporting energy projec...

Seven creative ways to teach your kids about eco-living

Seven creative ways to teach your kids about eco-living

According to Bureau of Labor Statistics, 3.1 million jobs in the United States w...

Business

Technology

Politics

Climate Rally reaches 310,000 participants

Climate Rally reaches 310,000 participants

Monday, 22 September 2014

The number of people who joined the People’s Climate March this September 21 reached a record-breaking 310,000. An official count conducted revealed o...

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Living Green

Nineteen easy ways students can help save Mother Earth

Nineteen easy ways students can help save Mother Earth

Thursday, 18 September 2014

Students are young, creative, energetic and outspoken that is why they have the perfect qualities to help save mother earth. They can be great eco-war...

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Renewables

Low-Carbon

Easy modifications to make your car more efficient

Easy modifications to make your car more efficient

Monday, 22 September 2014

There are plenty of reasons why you might be interested in lowering your car’s emissions. In some states, you may be required to pass a mandatory smog...

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Opinion

Unsustainable urban life: What's next?

Unsustainable urban life: What's next?

Wednesday, 11 June 2014

Nutrition plays a critical role in everyone’s chance at a better future. Hunger, said Benjamin Franklin once, is the best pickle. Some say “pickle”...

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Two rare earth metals might not keep up with demand – M.I.T.

As low-carbon industries grow, some doubt that the available supply of rare earth metals – essential components in wind turbines and advanced batteries – can keep up with demand.

Researchers from the Massachusetts Institute of Technology's Materials Systems Laboratory looked at 10 of these metals and found that two, neodymium and dysprosium, are going to face serious supply challenges in the coming years.

According to the study, due to the projected rapid growth in demand for the high-performance permanent magnets needed by the wind turbine and EV markets, for example, demand for neodymium and dysprosium will rise at an unprecedented rate.

Demand for dysprosium is seen increasing 2,600 percent in the next 25 years, while that for neodymium is seen rising by as much as 700 percent for the same period.

While the researchers believe there are enough rare earth metals to meet demand, they believe it will be hard pressed to scale up the extraction and refining of these elements at a rate that matches the demand increase.

They recommend more research into developing new sources of the materials, substituting materials or improving the efficiency of their use. Ways to recycle the metals once the devices reach end of life could also be valuable.

Currently, China produces 98 percent of the world's rare earth metals with 50 percent of known rare earth metal reserves.

Rare earth metals are difficult to extract and bringing them up can result in environmental consequences.

The United States, which also has significant deposits of rare earths, has ceased mining almost altogether because of environmental regulations that have increased the cost of production.

China itself has caused international anxiety by limiting the quotas of rare earth metals they export, limitations they placed in 2010. – EcoSeed Staff



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