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23/04/2008 zzvSovlMBH
How many weeks' holiday a year are there? pharmacy cialis singapore The researchers successfully performed a data-driven magnetohydrodynamic (MHD) simulation of a realistic CME initiation process, a step that may lead to a predictive model and to understanding the precursors to these solar storms. himcolin gel yahoo This will be the third consecutive manned flight to the ISS under the “short” six-hour flight program. Before March this year, all manned Soyuz missions were carried out under a two-day scheme. ciprofloxacin dosage for uti treatment Amos urged the Syrian government to lift "bureaucratic obstacles" and accelerate the issuance of visas to humanitarian workers, increase the number of international aid organizations, fast-track customs procedures for humanitarian goods and equipment, speed up the time frame for approving convoys, and facilitate the establishment of additional humanitarian hubs. acheter sildenafil 50 mg Rep. Pete King (R-L.I.), who organized a push by a few GOP moderates to oppose their party, said it was time for GOP to accept a “clean” funding bill. “All we’re doing is leading ourselves into a government shutdown for no reason,” said King. kamagra jelly sale uk Dennis Ross, a veteran U.S. diplomat who served as President Barack Obama's top Middle East adviser until 2011, said Zarif had shown a willingness to negotiate in good faith and his appointment would be seen in Washington and Europe as an indication that Rouhani wants to "do business" with the West. ... [Leer]
Energia
07/03/2009 China's Greenhouse Gas Emissions Threaten to Double
Can a climate catastrophe still be averted? Scientists voice pessimism in a new study, which concludes that no matter what the Western industrialized nations do, China's greenhouse emissions will be hard to stop. ... [Leer]
Energia
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Documentos
17/12/2008 | Climate Change and Economic Growth: Evidence from the Last Half Century
This paper uses annual variation in temperature and precipitation over the past 50 years to examine the impact of climatic changes on economic activity throughout the world. We find three primary results. First, higher temperatures substantially reduce economic growth in poor countries but have little effect in rich countries. Second, higher temperatures appear to reduce growth rates in poor countries, rather than just the level of output. Third, higher temperatures have wide-ranging effects in poor nations, reducing agricultural output, industrial output, and aggregate investment, and increasing political instability. Analysis of decade or longer climate shifts also shows substantial negative effects on growth in poor countries. Should future impacts of climate change mirror these historical effects, the negative impact on poor countries may be substantial. ... [Leer]
15/09/2008 | IPCC Technical Paper on Climate Change and Water- PDF
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15/09/2008 | Software libre y cooperaci?n hacia un entendimiento global - PDF
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