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Fernanda
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Sep 26, 2012 • Comments Closed In the early 1970s, scientists discovered the first human threat to the Earth’s atmosphere — the threat from chlorofluorocarbons, or CFCs, to the stratospheric ozone layer. The ozone layer shields plants and animals, including humans, from deadly ultraviolet radiation. If the ozone layer were depleted as a consequence of human activities, millions of Americans would...
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Fernanda
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Sep 7, 2012 • Comments Closed August 28, 2012 Mike and Nancy Leighton’s problems began on May 19, just as Mike was settling in to watch the Preakness Stakes. A neighborSlides in Leroy Township, Pa., called Mike and told him to check the water well located just outside his front door. “I said, ‘I’ll be down in 15 minutes.’ I wanted to...
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Fernanda
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Sep 5, 2012 • Comments Closed Guanajuato, Mexico, 4 September 2012 – Modernising brick production in developing countries to improve public health and dramatically reduce climate and air pollution is the focus of an ambitious global initiative launched today in Mexico. Traditional brick production has been identified by the Climate and C lean Air Coalition to Reduce Short-Lived Climate Pollutants (CCAC)...
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Fernanda
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Sep 5, 2012 • Comments Closed http://blogs.nature.com/news/2012/08/arctic-sea-ice-declines-to-record-low.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+news%2Frss%2Fnewsblog+%28News+Blog+-+Blog+Posts%29&WT.ec_id=NEWS-2012082827 Aug 2012 | 21:33 BST | Posted by Jeff Tollefson | Category: Earth, environment & ecology With a few weeks in the melt season yet to go, Arctic sea ice has broken the record for minimum summer extent. Satellites registered 4.1 million square kilometres of sea ice on 26 August, edging out the record of 4.17 million square kilometres set on 18...
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Fernanda
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Aug 27, 2012 • Comments Closed August 22, 2012 – Non-governmental organizations from Argentina, Brazil, Chile, Mexicoand Paraguayhave partnered with renowned scientists to create the Latin American Network for the Reduction of Short-Lived Climate Pollutants. The network will coordinate local and regional actions and strategies for reducing these climactic precursors with the goal of mitigating climate change and improving air quality. The...
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Fernanda
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Jul 23, 2012 • Comments Closed Organizaciones de la sociedad civil prepararon, en el Marco del Taller Técnico sobre Ciencia y Políticas de los agentes climáticos de corta duración (SLCF por sus siglas en inglés) que precede ala Reunión de Ministros de Medio Ambiente de América Latina y el Caribe, un documento con el objetivo de recomendar medidas concretas para reducir las...
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Fernanda
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Jul 23, 2012 • Comments Closed Reducir CO2 no es suficiente para estabilizar el sistema climático. Para alcanzar concentraciones atmosféricas de CO2 a niveles seguros, esto es a 350 partes por millón, es menester controlar fuerzas climáticas no CO2 de corta vida atmosférica. El CO2 sólo es responsable del 50% del calentamiento global Reducciones profundas y sostenidas de CO2 son esenciales...
