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Sat12272014

Boeing successfully completes test flight with green diesel

Boeing successfully completes test flight with green diesel

Boeing has completed the world’s first flight using green diesel. On December 3,...

U.N.F.C.C.C. head urges climate action as Lima Conference begins

U.N.F.C.C.C. head urges climate action as Lima Conference begins

United Nations Framework Convention on Climate Change Executive Secretary Christ...

Philippines houses world’s largest solar-powered mall

Philippines houses world’s largest solar-powered mall

A mall in the capital city of the Philippines is now sporting a 1.5-megawatt sol...

U.S., China announce significant emissions reduction cuts

U.S., China announce significant emissions reduction cuts

The Governments of the United States and China have announced that they will be ...

Best Eco Cars of 2014

Best Eco Cars of 2014

Eco-friendly cars, also referred to as green cars, are vehicles that have a less...

Largest wind farm in Southeast Asia goes online in the Philippines

Largest wind farm in Southeast Asia goes online in the Philippines

The largest wind farm in Southeast Asia, a 150-megawatt installation in the Phil...

SPI Solar to acquire 360 MW worth of solar power projects in China

SPI Solar to acquire 360 MW worth of solar power projects in China

Solar Power, Inc. is set to become one of the largest solar developers in China....

Business

tenKsolar expands manufacturing capacity in Thailand

tenKsolar expands manufacturing capacity in Thailand

Friday, 19 December 2014

tenKsolar is establishing new production lines in Thailand for their manufacture of their solar modules. tenKsolar, which is based in Minneapolis, des...

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Technology

Bacteria producing sweet-smelling compound for greener fuels

Bacteria producing sweet-smelling compound for greener fuels

Tuesday, 02 December 2014

A sweet-smelling chemical compound primarily used in fragrances and flavoring is being studied for its potential as a clean and green biofuel. Methyl ...

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Politics

U.N. chief hails results of C.O.P. 20

U.N. chief hails results of C.O.P. 20

Wednesday, 17 December 2014

United Nations Secretary-General Ban Ki-moon hailed the results of the recently concluded Conference of the Parties in Lima, Peru. The Secretary-Gener...

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Living Green

Seven tips to keep cozy and warm while keeping energy use low

Seven tips to keep cozy and warm while keeping energy use low

Tuesday, 23 December 2014

People will always have the impulse to be comfortable and will spend to do so, rather than save and compromise. City living in the U.S. would require ...

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Renewables

Vestas wins orders from U.K., Poland, and Turkey

Vestas wins orders from U.K., Poland, and Turkey

Tuesday, 23 December 2014

Wind turbine manufacturer Vestas has received firm and unconditional orders from the United Kingdom, Poland, and Turkey. In the U.K., Vestas has recei...

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Low-Carbon

Seven eco-friendly home heating solutions

Seven eco-friendly home heating solutions

Friday, 12 December 2014

Environmentally friendly home heating solutions are valuable for the planet, and can lower your utility bills. With the numerous home heating alternat...

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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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