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Tag:

air

Toward Sustainable Travel: Breaking the Flying Addiction

written by Yale Environment 360

Flying dwarfs any other individual activity in terms of carbon emissions, yet more and more people are traveling by air. With no quick technological fix on the horizon, what alternatives — from high-speed trains to advanced video conferencing — can cut back the amount we fly?

In most departments I have excellent green credibility, and my carbon footprint is small. I have not owned a car in more than 20 years and commute to work by subway. I walk to the market and generally no longer buy produce flown in from far away. I recycle. I have an air-conditioner, but use it only on the hottest of days. I have gone paperless with all my bills.

But my good acts of responsible environmental stewardship are undercut by one persistent habit that will be hard to break, if it is possible at all: I am a frequent flyer, Platinum Card. Last year, I traveled nearly 100,000 miles of mostly long-haul travel. And that figure puts me in the minor leagues compared to legions of business consultants, international lawyers, UN functionaries — and even climate scientists — who certainly travel much more.

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May 24, 2010 2 comments
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Green Chemistry: Underused Drilling Practices Could Avoid Pollution

written by Walter Wang

As environmental concerns threaten to derail natural gas drilling projects across the country, the energy industry has developed innovative ways to make it easier to exploit the nation’s reserves without polluting air and drinking water.

Energy companies have figured out how to drill wells with fewer toxic chemicals, enclose wastewater so it can’t contaminate streams and groundwater, and sharply curb emissions from everything from truck traffic to leaky gas well valves. Some of their techniques also make good business sense because they boost productivity and ultimately save the industry money — $10,000 per well in some cases.

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December 15, 2009 2 comments
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