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Oct
29
2009
Reducing air pollution could hasten global warming
Buy cheap viagra, Cleaning up air pollution may seem like an environmental no-brainer. Viagra sale, But some aerosols have a cooling effect, raising the possibility that pollution control measures will speed up global warming, buy viagra overnight delivery, Ohio OH , researchers write in a Perspective article in Science.
Pollutants can have varying effects on climate. Black carbon aerosol, Arkansas AR Ark. , Osta viagra online, for example, warms the atmosphere by absorbing sunlight, köpa rabatterade viagra. Kaufen viagra, Sulfate aerosols, on the other hand, South Dakota SD , Wyoming WY Wyo. , reflect light and cool the climate down.
According to recent studies, air pollution control is likely to result in a net warming effect, buy cheap viagra, Kjøpe viagra online, the authors write. For instance, ordering viagra online legally, Order viagra online, one model suggests that aggressive aerosol reduction over the next couple of decades could cause almost as much warming as increased greenhouse gas emissions. That doesn’t mean we should stop cleaning the air, notes lead author Almut Arneth of Lund University in Sweden, buy cheap viagra. But, cheap viagra online cheap, Maryland MD Md. , she says, the added effect of pollution control could make it more difficult to meet climate goals than we thought.
A study published in the same issue of Science also points to the need for a more holistic treatment of pollution and climate change, price of viagra. Louisiana LA , Researchers found that methane and carbon monoxide have greater potential to warm the planet than previously estimated, due to interactions with aerosols in the atmosphere, buy viagra online cheap. Ordering viagra no rx, Study leader Drew Shindell of the NASA Goddard Institute for Space Studies in New York says he hopes the results will encourage policies targeting the reduction of these gases, along with black carbon aerosol, buy viagra cheap, Acheter viagra bon marché, in order to achieve short-term climate gains. – Roberta Kwok
Source: Arneth, A., cheap generic viagra, Lowest price viagra, Unger, N., ordering viagra without prescription, Discount viagra, Kulmala, M., & Andreae, M. (2009). Clean the Air, Heat the Planet. Science DOI: 10.1126/science.1181568
Source: Shindell, D., Faluvegi, G., Koch, D., Schmidt, G., Unger, N., & Bauer, S. (2009). Improved Attribution of Climate Forcing to Emissions Science DOI: 10.1126/science.1174760
Image © Goldmund, iStockPhoto.com
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