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California ARB releases final version of proposed update to Climate Change Scoping Plan; LEV IV

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the final version of the proposed First Update to the Climate Change Scoping Plan (First Update). Achieving our long-term climate goal and 2032 ozone standards will require a much deeper penetration of ZEVs into the fleet. The California Air Resources Board (ARB) has released. The draft version was released in February.

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NASA-led study identifies unprecedented depletion of stratospheric ozone layer above Arctic

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A NASA-led study has documented an unprecedented depletion of Earth’s protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere. The same ozone-loss processes occur each winter in the Arctic.

Ozone 186
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Study Finds Traveling by Car Increases Global Temperatures More than Traveling by Plane In the Long Term

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Passenger trains and buses cause four to five times less impact than automobile travel for every mile a passenger travels. Findings for freight transport (year 2000) include: The specific climate impact of air transport is 3 to 42 times higher, for a light truck it is 2 to 8 times higher than average truck transport. Technol. ,

Global 225
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Study Finds Asian Monsoon Carries Pollution Into the Stratosphere

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Those vertical movements provide a pathway for black carbon, sulfur dioxide, nitrogen oxides, and other pollutants to ascend into the stratosphere, about 20-25 miles above the Earth’s surface. This could explain satellite measurements showing high levels of stratospheric ozone, water vapor and other chemicals over Asia during summer.

Pollution 246
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EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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The figure includes the direct effects and those indirect effects due to the production of tropospheric ozone and stratospheric water vapor.) There were more than 1,231,000 miles of distribution mains in 2011, an increase of approximately 287,000 miles since 1990. Climate Change Emissions Natural Gas'

2007 285
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National Academies Report Examines Hidden Cost of Energy Production and Use in US; Estimates $120B in 2005

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That figure does not include damages from climate change, harm to ecosystems, effects of some air pollutants such as mercury, and risks to national security, which the report examines but does not monetize. Damages per vehicle mile traveled were remarkably similar among various combinations of fuels and technologies—the range was 1.2

2005 246
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Study identifies Bakken Formation alone as responsible for ~2% of global ethane emissions

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Ethane reacts with sunlight and other molecules in the atmosphere to form ozone, which at the surface can cause respiratory problems, eye irritation and other ailments and damage crops. The Bakken is part of a 200,000-square-mile basin that underlies parts of Saskatchewan and Manitoba in addition to the two US states.

Ozone 150