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California adopts comprehensive strategy to meet federal ozone standard over next 15 years

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The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. The 2022 State Implementation Plan Strategy identifies the state’s control strategy for meeting the federal 70 parts per billion, 8-hour ozone standard over the next 15 years.

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

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The continual exploitation of ore reserves leads to the necessity of mining ores from deeper parts of deposits, often with increasing mineralogical complexity. 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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CSIRO publishes Southern Hemisphere GHG data online

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The graphs we’ve made available online will enable people to examine the evidence about the major driver of recent climate change. Data for the synthetic greenhouse and ozone depleting gases, such as CFCs, also are available.

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Cutting Non-CO2 Pollutants Can Delay Abrupt Climate Change; The Fast Action Climate Agenda

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HFCs are powerful greenhouse gases originally developed as substitutes for ozone-depleting chemicals. They are poised to become a larger part of the climate problem over the next few decades. Molina received the Nobel Prize in Chemistry in 1995 for his path-breaking work in 1974 that sounded the alarm on ozone-depleting CFCs.).

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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

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These connections arise because in many cases the agents of concern are the same, and in many cases the sources of the agents are the same or intimately connected.For example, surface ozone is both an air pollutant and a greenhouse gas. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.

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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

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The update identifies eight key sectors for ongoing action: Energy; Transportation, fuels, land use and infrastructure; Agriculture; Water; Waste management; Natural lands; Short-Lived Climate Pollutants (such as methane and black carbon); and Green Buildings. Transportation. —Draft Scoping Plan Update.

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Critical review finds actual measurement data on segments of natural gas lifecycle sparse or lacking

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This surge in exploration and production from unconventional sources has been accompanied by public concerns about various environmental issues—including air quality, water quantity and quality, and human health impacts. They then reviewed the available literature on air quality impacts for each of the stages. Moore et al.

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