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MIT study: people globally follow a “visitation law”; inverse relationship between distance and frequency of visits

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A new paper by an MIT team and colleagues in Singapore, China, Italy and Denmark, drawing on global data, finds that people visit places more frequently when they have to travel shorter distances to get there. The visitation law could have many practical applications—from the design of new infrastructure to urban planning. Schläpfer, M.,

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The Net-Zero Neighborhood: Advanced Energy Storage and Highly Efficient Photovoltaics Take Transportation Off the Gasoline Grid and Residential Off the Electric Grid

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Gil Weigand of Oak Ridge National Laboratory outlined his vision of a critical solution to the energy, climate and ensuing national security threats facing the US: the Net-Zero Neighborhood (NZN). Global annual demand for energy in 2005 was about 16 TW, Weigand noted. The Net-Zero Neighborhood. Net-Zero Neighborhoods.

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Virginia Tech researchers find estimates of the carbon cycle are incorrect; implications for models

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Virginia Tech researchers, in collaboration with Pacific Northwest National Laboratory, have discovered that key parts of the global carbon cycle used to track movement of carbon dioxide in the environment are not correct, which could significantly alter conventional carbon cycle models. The gross primary productivity should be around 147.

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PM2.5 pollution linked to higher glaucoma risk

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People in neighborhoods with higher amounts of fine particulate matter (PM 2.5 ) pollution were at least 6% more likely to report having glaucoma than those in the least-polluted areas, according to the findings published in an open-access paper in the journal Investigative Ophthalmology & Visual Science. Chua, Anthony P. Dick, Peng T.

Pollution 252
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California ARB awards $9.5M to Porterville to deploy 10 GreenPower electric buses and charging infrastructure

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announced that the California Air Resources Board (CARB) has awarded $9.5 The grant award is part of California Climate Investments, a statewide program to reduce greenhouse gas emissions while providing clean-air benefits to California neighborhoods, with an emphasis on disadvantaged communities. GreenPower Motor Company Inc.

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Study Finds Elevated Ultrafine Particle Pollution Levels Near Regional Airports

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However, researchers know little about the impact of such emissions at general aviation or regional airports—which are becoming a more important component of the global air transport system, and which tend to be located closer to residential neighborhoods than major airports, the article notes. ” Resources.

Pollution 199
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California ARB approves cap-and-trade amendments; linking with Ontario

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Following more than 18 months of review and public comment, the California Air Resources Board (CARB) approved amendments to the state’s cap-and-trade program that improve its implementation and the state’s effort to curb greenhouse gas emissions. California is on track to achieve its 2020 goal.