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T&E: Rising use of private jets sends CO2 emissions soaring

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finds that private jets are 10 times more carbon-intensive than airliners on average, and 50 times more polluting than trains in terms of CO 2 emitted per passenger-km. And yet, super-rich super polluters are flying around like there’s no climate crisis. —Andrew Murphy, Aviation Director at T&E.

Emissions 418
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Discovery of mechanism for atmospheric particle formation suggests need for ammonia emission regulations

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In a 2020 study, also published in Nature, Wang discovered that in cold conditions, such as that of the winter climate in Beijing, the mixture of these three agents contributes and condenses onto nanometer particles, increasing their mass quickly. After learning about the former study, Mingyi Wang, a Ph.D. Source: College of Engineering.

Emissions 186
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Melting Glaciers May Release Trapped Legacy Pollutants

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Historical trends of (A) ΣPCDD/F, (B) ΣPCB, and (C) ΣDDT in sediment from Lake Oberaar and from low-altitude lakes in Switzerland, normalized relative to their maximum historical peaks. The “second peak” for Lake Oberaar supports the hypothesis of pollutant release from melting. Credit: ACS, Bogdal et al.

Pollution 186
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OECD: rising air pollution-related deaths taking heavy toll on society; more should be done to reduce transport emissions

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Deaths from outdoor air pollution by region in 2005 and 2010. Outdoor air pollution kills some 3.5 This pollution is costing advanced economies plus China and India an estimated US$3.5 The effects of air pollution on people’s health are much higher than previously thought. Click to enlarge. Earlier post.)

Pollution 218
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European Researchers Launch Mega Campaign to Assess Urban Air Pollution

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Twenty research teams from across Europe are launching one of its largest pollution monitoring campaigns and are setting up sites in Île-de-France (a region containing the Paris metropolitan area) to investigate sources of particulate pollution in the urban environment. Paul Scherer Institut, Villingen, Switzerland.

Pollution 150
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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.]. The top sample above shows climate change impact; the subsequent chart shows human toxicity. Sample results from Carculator. Depletion of fossil energy resources [kg oil-eq.].

Mariner 435
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US submits target to cut GHGs by 26-28% from 2005 levels to UNFCCC; doubling the rate of reduction

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The United States submitted its target to cut net greenhouse gas emissions to the United Nations Framework Convention on Climate Change (UNFCCC). The US target will roughly double the pace of carbon pollution reduction in the United States from 1.2% per year on average during the 2005-2020 period to 2.3-2.8%

2005 150