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EPA proposes first US greenhouse gas emissions standards for aircraft

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The US Environmental Protection Agency (EPA) proposed greenhouse gas (GHG) emissions standards for airplanes used in commercial aviation and large business jets. The proposed EPA standards would address subsonic jet aircraft with a maximum takeoff mass (MTOM) greater than 5,700 kilograms and subsonic propeller-driven airplanes (e.g.,

EPA 398
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Georgia Tech study projects potential mixed impacts of climate change policies on air quality

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They used the EPA US 9-region national database (EPAUS9r) with the MARKet Allocation (MARKAL) energy system model to develop emissions scenarios and spectral nudging to downscale global climate to the regional scale over the US. Climate Change Emissions Health Policy' Miller, Athanasios Nenes, and Armistead G.

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Perspective: The Role of Offsets in Climate Change Legislation

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This article shows that including offsets in climate change legislation would likely make an emissions program more cost-effective by: (a) providing an incentive for non-regulated sources to generate emission reductions; and (b) expanding emission compliance opportunities for regulated entities. Assuming the offset is legitimate—i.e.,

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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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Global benefits from full implementation of measures for reduction of short-lived climate pollutants in 2030 compared to the reference scenario. The climate change benefit is estimated for a given year (2050) and human health and crop benefits are. for 2030 and beyond. Source: UNEP. Click to enlarge.

Climate 210
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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

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The US Environmental Protection Agency (EPA) released the already widely-discussed (albeit without much detail) “Clean Power Plan” proposal, which mandates a national average 30% cut in greenhouse gas emissions from existing power plants from 2005 levels by 2030. EPA is only proposing goals for states with fossil fuel-fired power plants.

2005 210
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EPA Report Finds Significant Opportunity to Reduce GHG Emissions Through Materials and Land Management Practices

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Source: EPA. Materials management refers to how material resources are managed as they flow through the economy, from extraction or harvest of materials and food (e.g., Tags: Climate Change Emissions Land use Policy. Click to enlarge.

Emissions 257
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Australia introduces its first exhaust rule but makes all the mistakes the US did

Baua Electric

While both of these numbers are a lot less than the US’ new EPA rules , the US also has 13x as many people as Australia. The US EPA has long had what is referred to as a “ footprint rule, ” which allows larger vehicles to pollute more. This will result in 321 million fewer tons of carbon emissions in Australia by 2050.