In a bid to keep a tab on the activities of criminals, who go out of jails on parole, Haryana police will take the help of GPS (global positioning system) fitted ‘offender tracking device’.
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Friday, April 22, 2011
Ozone hole dominates shifting Southern Hemisphere climate
Climate policymakers and scientists need to look beyond global warming emissions of carbon dioxide and take the loss of stratospheric ozone into account, researchers said ...
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Wednesday, April 20, 2011
Mekong nations at odds over controversial Laos dam
Officials from Thailand, Cambodia, Laos and Vietnam met in Vientiane to discuss the planned $3.8 billion Xayaburi dam in northern Laos, an impoverished Communist nation which sees hydropower as vital to its future.
Laos's neighbours raised worries about insufficient environmental studies of the dam's likely impact, according to a statement released after the meeting, while Laos said there was no need for further consultation.
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Tuesday, April 19, 2011
Green a Tough Sell in China
While hopes are high that China’s shoppers can help solve what ails the global economy, don’t count on them to do the same for the environment. ....
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Wednesday, April 13, 2011
Tuesday, April 12, 2011
Paris to be powered by Waste
City of Lights is fast becoming the City of Innovative but Slightly Bizarre Energy Solutions, including new ways to harness the heat you might otherwise not want to touch.
Sewer water: French children are probably too classy to be delighted by this the way American children would be, but last week a Paris primary school started heating itself with poo. The school recovers heat from nearby sewer pipes, which are full of euphemistic “waste water.” Steel plates in the pipes draw heat from fast-moving water and pump it to the school’s heating system. The new plan should cover about 70 percent of the building’s heating needs, and keep 76 tons of CO2 out of the atmosphere -- a drop in the bidet, maybe, but all that waste energy would just go to waste otherwise.
Subway sweat: Also, this year, a public housing project will start drawing heat from the masses of damp, uncomfortable commuters in the Paris metro. The average passenger generates 100 watts of energy a ride, just from generally being alive (plus, you’ve seen the French, you can’t deny they’re hot). When they’re all smashed together, they provide enough heat to power 17 apartments. The building will draw the heat from the station into heat exchangers, which will move it into the pipes. Call it BOthermal.
Sewer water: French children are probably too classy to be delighted by this the way American children would be, but last week a Paris primary school started heating itself with poo. The school recovers heat from nearby sewer pipes, which are full of euphemistic “waste water.” Steel plates in the pipes draw heat from fast-moving water and pump it to the school’s heating system. The new plan should cover about 70 percent of the building’s heating needs, and keep 76 tons of CO2 out of the atmosphere -- a drop in the bidet, maybe, but all that waste energy would just go to waste otherwise.
Subway sweat: Also, this year, a public housing project will start drawing heat from the masses of damp, uncomfortable commuters in the Paris metro. The average passenger generates 100 watts of energy a ride, just from generally being alive (plus, you’ve seen the French, you can’t deny they’re hot). When they’re all smashed together, they provide enough heat to power 17 apartments. The building will draw the heat from the station into heat exchangers, which will move it into the pipes. Call it BOthermal.
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