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Alaska Communities Struggle for Baseline Water Data Amid Climate Uncertainty

Circle of Blue

The summer of 2019 began with its usual verve, and as May turned to June turned to July, the height of the busy season, the sleepy town was still dreaming. All of Seldovia draws its water from a single reservoir, which sits within city limits no more than 200 feet above sea level. Fishing charters fill. Bellies, too.

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DEP Releases 2024 Climate Change Action Plan Update; 2024 Climate Impacts Assessment Report

PA Environment Daily

from 2019 to 2020 and 44.4% Reduction Strategies Strategies to reduce greenhouse gas emissions from electricity generation offer the greatest potential for decarbonization through 2050, followed by emissions from industrial sources, transportation, and buildings. from 2005 to 2020.

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Sabin Center Files Amicus Brief in New York’s Highest Court Supporting New York City’s Local Law 97

Law Columbia

At issue in the case is whether New York Citys Local Law 97 of 2019 , the Citys building performance standards aimed at reducing greenhouse gas (GHG) emissions from its largest buildings, is preempted by New York States Climate Leadership and Community Protection Act (CLCPA). City of New York. Glen Oaks Village Owners v.

Law
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Attribution Science and EPA’s Reconsideration of the GHG Endangerment Finding

Law Columbia

On March 12, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced plans to reconsider EPAs 2009 endangerment finding for greenhouse gas (GHG) emissions, along with all regulations and actions that rely on the finding. The Supreme Court explicitly held in Massachusetts v.

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Sea level in the IPCC 6th assessment report (AR6)

Real Climate

My top 3 impressions up-front: The sea level projections for the year 2100 have been adjusted upwards again. The IPCC gives more consideration to the large long-term sea-level rise beyond the year 2100. And here is the key sea-level graphic from the Summary for Policy Makers: Source: IPCC AR6, Figure SPM.8.

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Why is future sea level rise still so uncertain?

Real Climate

Three new papers in the last couple of weeks have each made separate claims about whether sea level rise from the loss of ice in West Antarctica is more or less than you might have thought last month and with more or less certainty. Simplified schematic of atmosphere-ocean-ice interactions (Zalasiewicz et al, 2019).

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air. Carbon dioxide (CO 2 ) is the most important greenhouse gas that we have added to the atmosphere, however, some of it has been absorbed by land and oceans. mm increase every year.