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Study: annual climate impact of wild pigs could be greater than 1.1M cars

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The researchers used predictive population models coupled with advanced mapping techniques to estimate the climate damage wild pigs are causing across five continents. Since soil contains nearly three times as much carbon than in the atmosphere, even a small fraction of carbon emitted from soil has the potential to accelerate climate change.

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Harvard team finds that the phase of atmospheric secondary organic material affects chemical aging; may require revision of regional and global climate models

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Atmospheric chemists at the Harvard School of Engineering and Applied Sciences (SEAS) have found that the phase of secondary organic materials (SOM) in the atmosphere—solid, semisolid, or liquid—can effect their chemical reactivity (chemical aging) in the atmosphere. For the environment, ammonia is a very tricky compound.

Climate 252
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Euro Parliament Environment Committee votes to include shipping CO2 in EU ETS; shipping industry to contribute to climate neutrality

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The Environment Committee of the European Parliament voted to include CO 2 emissions from the maritime sector in the EU Emissions Trading System (ETS). MEPs agree that it is important to align the EU and International Maritime Organization (IMO) reporting obligations, as proposed by the Commission.

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Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

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A study led by researchers at UC Berkeley has found that diesel exhaust forms about seven times more secondary organic aerosols (SOA) than gasoline exhaust for the same mass of unburned fuel emissions and, given emission factors, can be expected to form 15 times more SOA than gasoline per liter of fuel burned. Gentner et al. Earlier post.).

Diesel 281
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Yale study finds that organic aerosols more complicated than previously thought

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Yale researchers have found that organic aerosols—a type of air pollution—are much more complicated than previous studies indicated. Using high-powered equipment to analyze air samples, the researchers were able to get a detailed look at the molecular makeup of organic aerosols, which have a significant presence in the atmosphere.

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Scottish Enterprise project converting train to hydrogen power

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Our Rail Decarbonization Action Plan sets out to make our passenger railways emissions free by 2035, but to maximise our climate change ambitions, there is also a requirement to look at what we do with retired stock. If we can bring those back into use in a carbon-neutral way, there are huge climate gains to be made.

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New analysis suggests Uber adding significantly to pollution and traffic in European cities

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Uber is adding more polluting car trips to already-clogged European cities such as London and Paris, new analysis by European NGOs suggests —contributing to air pollution and climate change and exploding the company’s sustainability claims. Uber’s CEO tells us they ‘do the right thing, period.’ That’s the right thing to do, full stop.

Pollution 493