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California issues draft plan for more efficient, less polluting freight system

Green Car Congress

The Draft Action Plan puts forward a single shared vision to improve the efficiency of California’s freight system while reducing its pollution, while continuing to bolster the competitiveness of California’s goods movement system nationally and internationally.

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German-Chilean consortium investigating new ways of reducing arsenic in copper concentrates: ReAK

Green Car Congress

As well as copper, the excavated ore layers often also contain arsenic—a highly toxic, inorganic pollutant that poses a threat not only to human health but to the entire ecosystem. Previously, the fact that these compounds are water-soluble never presented any problems since the Atacama Desert is one of the driest regions in the world.

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Study: Urban grime releases NOx when exposed to sunlight

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When in the air, these compounds may combine with volatile organic compounds to produce ozone, the main component of smog. In a subsequent laboratory comparison, they found that nitrate disappeared from grime 10,000 times faster than from a water-based solution when both were exposed to artificial sunlight. —James Donaldson.

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Climate Expert: Don't Call It Geoengineering

Cars That Think

Wanser: We start from the point of view of public safety, which is a concept in international environmental law and environmental law in the United States. by spewing pollution into the air. The largest blue bar is the effect of pollution particles on clouds. [[The What do we have to offer these billion people?

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The New Supersonic Boom

Cars That Think

The main obstacles will be regulatory and, especially, environmental: Supersonic airliners could be hugely more polluting than their subsonic counterparts. The Concorde went on to serve various destinations, including some in the United States, flying at supersonic speeds only over water. David Schneider.

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The Why, How, and Maybe Not of Geoengineering

Cars That Think

There is an exception to that in the category of what they call super pollutants, the very powerful but shorter-lived gases and chemicals that come from things like fertilizer production, methane. So that’s the stratosphere, which has been maybe the most prominent concept for trying to cool the planet in this sort of rapid way.

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