News tagged with gas emissions

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Energy savings in black and white

Color-changing roof tiles absorb heat in winter, reflect it in summer

Technology / Engineering

created Oct 08, 2009 | popularity 4.6 / 5 (19) | comments 9

(PhysOrg.com) -- Anyone who has ever stepped barefoot onto blacktop pavement on a hot sunny day knows the phenomenon very well: Black surfaces absorb the sun's heat very efficiently, producing a toe-scorching ...


Arctic at warmest levels in 2,000 years or more

Arctic at warmest levels in 2,000 years or more

Space & Earth / Earth Sciences

created Sep 03, 2009 | popularity 4.3 / 5 (64) | comments 25

Arctic temperatures in the 1990s reached their warmest level of any decade in at least 2,000 years, new research indicates. The study, which incorporates geologic records and computer simulations, provides ...


Alchemy in Tanzania? Gas Becomes Solid at Surface of Oldoinyo Lengai Volcano

Alchemy in Tanzania? Gas Becomes Solid at Surface of Oldoinyo Lengai Volcano

Space & Earth / Earth Sciences

created May 06, 2009 | popularity 4.1 / 5 (8) | comments 0

(PhysOrg.com) -- Science has unearthed the secret to what might have been alchemy at Oldoinyo Lengai volcano in Tanzania.


Relocation, relocation, relocation: Math could address climate change population concerns

Other Sciences / Mathematics

created Apr 01, 2009 | popularity 3.5 / 5 (8) | comments 1

As sea levels rise in the wake of climate change and semi-arid regions turn to desert, people living in those parts of the world are likely to be displaced. A mathematical approach to planned relocation reported in the International Jo ...


Engineer devises ways to improve gas mileage

Technology / Engineering

created Mar 16, 2009 | popularity 3.9 / 5 (11) | comments 4

(PhysOrg.com) -- Last summer, it was very expensive to fill up a gas tank when the gasoline price hit close to four dollars a gallon. Transportation by road or air consumes fuel, which not only increases our vulnerability ...


The sun is a star when it comes to sustainable energy

The sun is a star when it comes to sustainable energy

Technology / Energy

created Feb 25, 2009 | popularity 4.2 / 5 (25) | comments 56

At a national scientific meeting last week where biofuels - principally ethanol - were uniformly trashed as an environmental train wreck, one bright, carbon-free light gleamed in our energy future: the sun.


Riau Smoke

Scientists trace the human role in Indonesian forest fires

Space & Earth / Earth Sciences

created Feb 22, 2009 | popularity 2.5 / 5 (2) | comments 0

Severe fires in Indonesia - responsible for some of the worst air quality conditions worldwide - are linked not only to drought, but also to changes in land use and population density, according to a new study ...


Panasonic develops direct methanol fuel cell system with high power output and durability

Technology / Energy

created Dec 26, 2009 | popularity 4.3 / 5 (19) | comments 6

Panasonic Corporation announced it has developed a direct methanol fuel cell system which can produce an average power output of 20 W by increasing the output per cubic centimeter twice that of its previous prototype. Using ...


New laser -- it's a gas, gas, gas... sensor

New laser -- it's a gas, gas, gas... sensor

Technology / Engineering

created Dec 04, 2009 | popularity 4.8 / 5 (4) | comments 0

(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.


A greener way to get electricity from natural gas

A greener way to get electricity from natural gas

Technology / Energy

created Dec 03, 2009 | popularity 3.7 / 5 (16) | comments 9

(PhysOrg.com) -- A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than ...


A farmer droving his sheep, northwest of Melbourne

Australian scientists aim to reduce sheep burps

Biology / Biotechnology

created Nov 29, 2009 | popularity 2.7 / 5 (9) | comments 9

Australian scientists are working to breed a sheep that belches less, as they look for ways to reduce harmful methane emissions from the country's woolly flocks, a researcher said Sunday.


UN: Fight climate change with free condoms (AP)

UN: Fight climate change with free condoms

Space & Earth / Environment

created Nov 18, 2009 | popularity 2.9 / 5 (12) | comments 38

(AP) -- The battle against global warming could be helped if the world slowed population growth by making free condoms and family planning advice more widely available, the U.N. Population Fund said Wednesday.


Glimpsing a greener future

Glimpsing a greener future: Computer model foresees effects of alternative transportation fuels

Space & Earth / Environment

created Nov 16, 2009 | popularity 2.5 / 5 (4) | comments 1

(PhysOrg.com) -- It's the year 2060, and 75 percent of drivers in the Greater Los Angeles area have hydrogen fuel cell vehicles that emit only water vapor.


North America automobile sector bottom of 'world sustainability league'

Other Sciences / Economics

created Oct 30, 2009 | popularity 4 / 5 (5) | comments 1

North American car manufacturers have come bottom of the league in the largest ever international study of the global automobile sector's sustainability performance.


Simple measures can yield big greenhouse gas cuts, scientists say

Space & Earth / Environment

created Oct 26, 2009 | popularity 3 / 5 (7) | comments 2

New technologies and policies that save energy, remove atmospheric carbon and limit greenhouse gas emissions are needed to fight global climate change - but face daunting technological, economic and political hurdles, a Michigan ...