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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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However, while greenhouse gases cause warming by trapping heat in the atmosphere, some aerosols can have a cooling effect on the climate because the aerosol particles cause more of the sun’s light to be reflected away from the planet. In many cases, the strongest climate effects of aerosols are felt far from where the aerosols are emitted.

Climate 170
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Study Finds Asian Monsoon Carries Pollution Into the Stratosphere

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The Asian monsoon circulation provides an effective pathway for pollution from Asia, India, and Indonesia to enter the global stratosphere, according to a new international study led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, Colo. NCAR scientist William Randel, the lead author.

Pollution 246
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Low-lying and other vulnerable countries calling for fast action on non-CO2 global warming pollutants

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Led by the tiny Pacific island of the Federated States of Micronesia, a growing group of low-lying islands and other vulnerable countries are calling for fast action on the approximately 50% of global warming that is caused by pollutants other than carbon dioxide (CO 2 ). The next round of UN climate negotiations begins in Cancun today.

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Get Your Monkeywrenches Ready! Politicians Beg For Climate Change Wake Up Call

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While the finely tailored and pampered leaders of the G8 met in Italy to talk the issue of climate change to death and do nothing tangible about it, activists with a more realistic sense of urgency started to take the necessary action to start cutting greenhouse gases right now.

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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Although most countries have already revealed their opening emissions reduction proposals, UNFCCC Executive Secretary Yvo de Boer pointed out Thursday that “ we still await clarity from industrialized nations on the provision of large-scale finance to developing countries for immediate and long-term climate action. by Jack Rosebro.

Climate 236
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IEA: Decisive action by governments is critical to unlock growth for low-carbon hydrogen

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It is important to support the development of low-carbon hydrogen if governments are going to meet their climate and energy ambitions. Hydrogen is light, storable and energy-dense, and its use as a fuel produces no direct emissions of pollutants or greenhouse gases. —Fatih Birol, the IEA Executive Director.

Hydrogen 199
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UN Environment report says national GHG pledges only bring one-third of reductions needed for Paris Agreement

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The report also covers an assessment of the potential contribution from reductions in short-lived climate pollutants (SLCPs). This has raised hopes that emissions have peaked, as they must by 2020 to remain on a successful climate trajectory. These six present a combined poten al of up to 22 GtCO 2 e per annum.