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Wind power to reach 47 gigawatts in 2014 – G.W.E.C.

Wind power to reach 47 gigawatts in 2014 – G.W.E.C.

The wind market is expected to reach installations of at least 47 gigawatts in 2...

Floating tidal current turbines to be installed in Canadian waters

Floating tidal current turbines to be installed in Canadian waters

Siemens business Marine Current Turbines Ltd., Bluewater Energy Services B.V., a...

Smog causes partial car ban in Paris – But is the Diesel Industry to blame?

Smog causes partial car ban in Paris – But is the Diesel Industry to blame?

There’s a choking, Beijingian smog hanging over Parisian skies. Warm, still cond...

Climate change is happening, affecting all areas of the globe – I.P.C.C.

Climate change is happening, affecting all areas of the globe – I.P.C.C.

The effect of climate change is already being felt worldwide, according the Inte...

Hong Kong extends its registration tax exemption for E.V.s

Hong Kong extends its registration tax exemption for E.V.s

Hong Kong has passed a resolution that will extend its first registration tax ex...

Make a green choice by purchasing eco-clothing for your kids

Make a green choice by purchasing eco-clothing for your kids

There are several benefits of organic kid’s clothing. As people are becoming env...

Restoring the beauty of the Chesapeake Bay

Restoring the beauty of the Chesapeake Bay

The Chesapeake Bay is America’s largest estuary, which is a body of water that l...

Business

Smog causes partial car ban in Paris – But is the Diesel Industry to blame?

Smog causes partial car ban in Paris – But is the Diesel Industry to blame?

Monday, 07 April 2014

There’s a choking, Beijingian smog hanging over Parisian skies. Warm, still conditions have caused car fumes and chemicals to collect above the city a...

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Technology

Politics

More time needed for a decision on Keystone XL Pipeline

More time needed for a decision on Keystone XL Pipeline

Wednesday, 23 April 2014

The United States Department of State will be extending its decision-making period on the submission of their views on the proposed Keystone Pipeline ...

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Living Green

Good cooperation between animals and humans can save the environment

Good cooperation between animals and humans can save the environment

Monday, 21 April 2014

Even though humans are regarded as the most intelligent beings of the lot, recent researches show that, without the help of some particular animals, i...

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Renewables

Low-Carbon

Five best green construction companies

Five best green construction companies

Wednesday, 23 April 2014

In this contemporary world, technological advancements and concerns about environmental conservation have given rise to the establishment of many gree...

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Opinion

Restoring the beauty of the Chesapeake Bay

Restoring the beauty of the Chesapeake Bay

Thursday, 27 March 2014

The Chesapeake Bay is America’s largest estuary, which is a body of water that links rivers to the sea and acts as a bridge between freshwater and sal...

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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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