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Milk goes 'green': Today's dairy farms use less land, feed and water
Dairy genetics, nutrition, herd management and improved animal welfare over the past 60 years have resulted in a modern milk production system that has a smaller carbon footprint than mid-20th century farming practices.   view more (2009-06-11)

Scientists should look at their own carbon footprint
Scientists studying the impact of climate change on the Arctic need to consider ways to reduce their own carbon footprints, says a researcher who regularly flies north to study the health of caribou.   view more (2009-06-09)

How Solid Is Concrete's Carbon Footprint?
Many scientists currently think at least 5 percent of humanity's carbon footprint comes from the concrete industry, both from energy use and the carbon dioxide (CO2) byproduct from the production of cement, one of concrete's principal components.   view more (2009-05-19)

Carnegie Mellon urges industry to broaden carbon footprint calculations
Carnegie Mellon University researchers are urging companies to embrace new methods for following the trail of dangerous carbon emissions that are responsible for much of the world's global warming threats.   view more (2008-08-18)

Grilling with charcoal less climate-friendly than grilling with propane
Do biofuels always create smaller carbon footprints than their fossil-fuel competitors? Not necessarily.   view more (2009-05-12)

Methods for monitoring CO2 emissions have limitations, inadequate for international climate treaty
Current methods for estimating greenhouse gas emissions have limitations that make it difficult to monitor CO2 emissions and verify an international climate treaty, says a new National Research Council letter report to the administrator of NASA, Charles F. Bolden Jr.   view more (2009-08-03)

Green IT not helping climate change
Richard Hawkins, Canada Research Chair in Science, Technology and Innovation Policy, says there is no evidence that information technologies necessarily reduce our environmental footprint.   view more (2009-02-25)

Forests damaged by Katrina may contribute to global warming
Researchers led by biologist Jeffrey Chambers of Tulane University have determined that the losses inflicted by Hurricane Katrina on Gulf Coast forest trees are enough to cancel out a year's worth of new tree biomass (trunks, branches and foliage) growth in other parts of the country.   view more (2007-11-16)

Trees to offset the carbon footprint?
How effective are new trees in offsetting the carbon footprint? A new study suggests that the location of the new trees is an important factor when considering such carbon offset projects. Planting and preserving forests in the tropics is more likely to slow down global warming.   view more (2007-04-10)

Time to lift the geoengineering taboo
Hot on the heels of the Royal Society's Geoengineering the Climate report, September's Physics World contains feature comment from UK experts stressing the need to start taking geoengineering - deliberate interventions in the climate system to counteract man-made global warming - more seriously.   view more (2009-09-01)

University has grand designs to build a house of straw
That's what researchers at the University of Bath will be testing this summer by constructing a "BaleHaus" made of prefabricated straw bale and hemp cladding panels on campus.   view more (2009-07-28)

Microbes turn electricity directly to methane without hydrogen generation
A tiny microbe can take electricity and directly convert carbon dioxide and water to methane, producing a portable energy source with a potentially neutral carbon footprint, according to a team of Penn State engineers.   view more (2009-03-31)

Leaving our mark
Whether you live in a cardboard box or a luxurious mansion, whether you subsist on homegrown vegetables or wolf down imported steaks, whether you're a jet-setter or a sedentary retiree, anyone who lives in the U.S. contributes more than twice as much greenhouse gas to the atmosphere as the global average, an MIT class has estimated.   view more (2008-04-29)

Shrinking carbon footprints
Would shrinking your carbon footprint, recycling more, and going green be easier if you could monitor your household's environmental impact?   view more (2008-07-02)

Increased atmospheric carbon dioxide promotes algal growth
It is usually thought that unlike terrestrial plants, submerged plants like algae will not show any response to an increase of atmospheric carbon dioxide. This view may be biased by a neglect of the effects of the plants themselves on the water chemistry. In the June issue of Ecology Letters, Schippers, Lürling and Scheffer of the Wageningen... view more... (2004-05-13)

Family planning a major environmental impact
Some people who are serious about wanting to reduce their "carbon footprint" on the Earth have one choice available to them that may yield a large long-term benefit - have one less child.   view more (2009-08-03)

Rice U. researchers ask if biofuels will lead to a 'drink or drive' choice
Rice University scientists warned that the United States must be careful that the new emphasis on developing biofuels as an alternative to imported oil takes into account potential damage to the nation's water resources.   view more (2009-06-16)

Health professionals must help tackle climate change
Climate change is a major public health threat which health professionals must help to tackle, argues an expert in this week's BMJ.   view more (2006-06-09)

Trailblazing rural community shows green heating oil a viable option
Local schools and homes in the small Georgian town of Reepham in Norfolk are taking part in the groundbreaking 12-month trial, led by the University of East Anglia (UEA).   view more (2009-02-09)

Researchers make breakthrough in the production of double-walled carbon nanotubes
In recent years, the possible applications for double-walled carbon nanotubes have excited scientists and engineers, particularly those working on developing renewable energy technologies.   view more (2008-12-23)
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