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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...

$50 million A.D.B. loan to develop Indonesia’s geothermal potential

$50 million A.D.B. loan to develop Indonesia’s geothermal potential

The Asian Development Bank will provide Indonesia a loan of up to $50 million to...

Business

Technology

Chewing produces power with new energy harvesting chin strap

Chewing produces power with new energy harvesting chin strap

Thursday, 18 September 2014

The newest clean energy source could be your own jaw. According to a group of researchers in Canada, jaw movements – from eating, chewing and talking ...

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Politics

China takes big step in reducing ozone depleting gases

China takes big step in reducing ozone depleting gases

Tuesday, 16 September 2014

China has taken a big step towards reducing its hydrochlorfluorocarbons by closing down five HCFC production lines. The closure of the five HCFC produ...

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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

How green energy is used as a good business magnet

How green energy is used as a good business magnet

Thursday, 18 September 2014

The impetus for businesses turning to renewable energy is simple: to fight climate change. There’s no resource more important than the planet we live ...

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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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Desulfurized jet fuel has net cooling effect on atmosphere – study

A Yale University study found that the desulfurization of jet fuel could have a small, net cooling effect on the atmosphere.

While the Federal Aviation Administration has encouraged the use of desulfurized jet fuel to potentially improve air quality in airports and reduce risk of respiratory and cardiovascular illness, the Yale study points to another beneficial effect.

Sulfur-laden jet fuel, when burned, form sulfate particles that scatter solar radiation into space. It thus contributes to warming when sulfur is removed from jet fuel. However, the formation of nitrate from nitrogen oxides in jet exhaust offsets this by its own cooling effect.

"It's a win-win situation, because the sulfate can be taken out of the fuel to improve air quality around airports and, at the same time, it's not going to have a detrimental impact on global warming," said Nadine Unger, an assistant professor of climate science at the Yale School of Forestry and Environmental Studies.

The study used a model that assessed the impact of reducing the amount of sulfur in jet fuel from 600 milligrams per kilogram of fuel to 15 milligrams per kilogram, the level targeted by the United States Department of Transportation.

A paper on the study, authored by Ms. Unger and entitled "Global Climate Impact of Civil Aviation for Standard and Desulferized Jet Fuel" was published in Geophysical Research Letters in October. – Katrice R. Jalbuena



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