News tagged with 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 ...


Gasoline Pumps

Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines

Technology / Energy

created Aug 03, 2009 | popularity 4.3 / 5 (27) | comments 6

(PhysOrg.com) -- Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties ...


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.


packing peanuts

Study Finds that Styrofoam Increases Biodiesel Power Output

Technology / Energy

created May 04, 2009 | popularity 2.7 / 5 (11) | comments 9 weblog

(PhysOrg.com) -- By dissolving polystyrene packing peanuts in biodiesel, scientists have found that they can boost the power output of the fuel while getting rid of garbage at the same time.


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

Technology / Energy

created Dec 26, 2009 | popularity 4.4 / 5 (24) | comments 9

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 ...


Scientists map speed of climate change

Space & Earth / Environment

created Dec 23, 2009 | popularity 2.8 / 5 (31) | comments 38

New study finds that the average ecosystem will need to shift about a quarter mile per year to keep pace with global climate change.


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.


Carbonic anhydrase

Blood Enzyme Could Help Realize Clean Coal

Chemistry / Biochemistry

created Dec 03, 2009 | popularity 4.2 / 5 (6) | comments 0 weblog

(PhysOrg.com) -- An enzyme in our blood that enables our lungs to exhale carbon dioxide could be the key to isolating carbon dioxide emissions from coal plants in order to store them safely underground. A ...


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.


The KLM airplane which runs on biokerosene is seen at Schiphol airport, near Amsterdam

KLM flies world's first 'passenger flight on biofuel'

Technology / Energy

created Nov 23, 2009 | popularity 5 / 5 (1) | comments 0

A Boeing 747, one of four engines powered by a 50-percent biokerosene mix, circled the Netherlands for an hour on Monday for what airline KLM called the world's first passenger flight using biofuel.


Is global warming unstoppable?

Space & Earth / Environment

created Nov 23, 2009 | popularity 3.6 / 5 (56) | comments 81

In a provocative new study, a University of Utah scientist argues that rising carbon dioxide emissions - the major cause of global warming - cannot be stabilized unless the world's economy collapses or society builds the ...


The shore of Deception Island in Antarctica, in 2008

Antarctic ice loss vaster, faster than thought: study

Space & Earth / Earth Sciences

created Nov 22, 2009 | popularity 3.8 / 5 (52) | comments 45

The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.


nuclear power plant

Doubts raised on nuclear industry viability

Physics / General Physics

created Nov 19, 2009 | popularity 3.2 / 5 (24) | comments 19 weblog

(PhysOrg.com) -- The investment in nuclear power has been growing around the world over the last few years, being viewed as a means for countries to control their energy security, avoid the price fluctuations ...