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EPA Releases Updated, Elevated Estimates for the Social Cost of Greenhouse Gases

Clean Energy Law

By Joshua Bledsoe , Kevin Homrighausen , and John Detrich On December 2, 2023, the US Environmental Protection Agency (EPA) released a final report that substantially increases estimates of the social cost of greenhouse gases (GHG), including carbon dioxide, methane, and nitrous oxide (collectively, SC-GHG). 3d 1172 (9th Cir. 2016), [link].

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Have We Begun the Third Age of Climate Law?

Legal Planet

Waiting for Congress: 2000-2010. In 2007, the Supreme Court held that EPA had jurisdiction to regulate greenhouse gases at the federal level. That hope died in 2010, however. The Fallback Plan: 2010 to 2021. EPA and other agencies still retained power to regulate greenhouse gases but would need to do so circumspectly.

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Science denial is still an issue ahead of COP28

Real Climate

It is 33 years now since the IPCC in its first report in 1990 concluded that it is “certain” that greenhouse gas emissions from human activities “will enhance the greenhouse effect, resulting on average in an additional warming of the Earth’s surface.”

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The CO2 problem in six easy steps (2022 Update)

Real Climate

Step 1: There is a natural greenhouse effect. Thus there must be a large amount of IR absorbed by the atmosphere (around 158 W/m 2 ) – a number that would be zero in the absence of any greenhouse substances. Step 2: Trace gases contribute to the natural greenhouse effect. The Earth’s Energy Budget (NASA).

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Ranking Presidents on Climate Change

Legal Planet

In 1983, Reagan’s EPA warned about the risk of a runaway greenhouse effect. On the domestic front, the head of EPA managed to maneuver the Administration into endorsing federal authority to regulate greenhouse gas emissions under the Clean Air Act. Republican victories in the 2010 off-year election ended any chance of legislation.

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California’s Climate Leadership: A Timeline

Legal Planet

California established first renewable portfolio standard (20% from renewables by 2010). Required the California Air Resources Board (CARB) to set standards for greenhouse gas emissions (GHGs) new vehicles. To help you keep track, here is a timeline of California’s most important actions. 2002 SB1078. AB 1493 (Pavley Act).

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Fourth District Holds Addendum To 2010 Program EIR For Irvine Business Complex Vision Plan Violated CEQA Because Conclusion That Large Infill Project’s GHG Emissions Would Be Less Than Significant Lacked Substantial Evidence And Project Was Not Exempt

CEQA Developments

3) affirmed a judgment setting aside an addendum to a 2010 program EIR (PEIR) and accompanying approvals for a 275,000-square foot office complex on a 4.95-acre and (2) did substantial evidence show the project’s GHG emissions are within the scope of the 2010 PEIR? IBC Business Owners for Sensible Development v.

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