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Sea Level Rise is Already Threatening Communities

Union of Concerned Scientists

In an era when massive heat domes blanket large swaths of continents for days, wildfires burn through areas the size of small countries, and hurricanes regularly push the limits of what we once thought possible, sea level rise can seem like extreme weather’s low-key cousin. Since 1993, sea level has risen by an average rate of 3.1

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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.

Sea Level 363
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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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We need NOAA now more than ever

Real Climate

To quote a 2019 study referenced below, Partnership with the NWS has revolutionized this Emergency Management community from on that reacts to events to one that proactively prepares and stays ahead of the extreme events.”

Ocean 306
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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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SCOTUS Rules in Favor of Sewage: You Can’t Make This Sh** Up

Union of Concerned Scientists

UCS research found that wastewater treatment plants were among the critical coastal infrastructure at risk of chronic inundation at least twice a year by 2030 due to sea-level rise.

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Track sea-level changes anywhere with NASA’s new SEA tool

Environmental News Bits

NASA’s newly updated online tool, SEA (Sea-level Evaluation and Assessment), provides a snapshot of the ocean’s rise or fall for locations across the planet. It covers the period between 1993 and 2019. Read the full story from NASA. Read more →