Story Spark: Coastal Flooding and Sea-Level Rise

The document outlines the drivers and impacts of sea-level rise, noting that global levels have risen 8-9 inches since 1880. It highlights the disproportionate risk to marginalized communities and older adults, explains the mechanics of 'compound flooding' and subsidence, and directs reporters to data tools from NOAA, the Permanent Service for Mean Sea Level, and the Nevada Geodetic Laboratory.

• Global sea levels have increased by approximately 8-9 inches since 1880 due to thermal expansion and melting ice, leading to coastal flooding in the US occurring three times more frequently than 30 years ago.
• By 2050, an estimated 2.5 million Americans will be at risk from severe coastal flooding. These risks disproportionately affect Native American, Latino, Black, and older adult communities, potentially rendering some coastal areas unlivable.
• Coastal flooding is often a complex 'compound' event where high tides coincide with heavy rains or river discharge, which can block municipal drainage systems and increase flooding upstream.
• The observed rate of sea-level rise at tide gauges is influenced by subsidence, which is the gradual sinking of land due to both human and non-human factors.

APA

Mooney, C. (2025). Story Spark: Coastal Flooding and Sea-Level Rise. Covering Climate Now. https://coveringclimatenow.org/from-us-story/covering-coastal-flooding-and-sea-level-rise/

Chicago

Mooney, Chris. Story Spark: Coastal Flooding and Sea-Level Rise. Covering Climate Now, 2025. https://coveringclimatenow.org/from-us-story/covering-coastal-flooding-and-sea-level-rise/.

Wikipedia

{{cite report |last1=Mooney |first1=Chris |title=Story Spark: Coastal Flooding and Sea-Level Rise |publisher=Covering Climate Now |date=27 May 2025 |url=https://coveringclimatenow.org/from-us-story/covering-coastal-flooding-and-sea-level-rise/ |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{mooney2025story, author = {Mooney, Chris}, title = {{Story Spark: Coastal Flooding and Sea-Level Rise}}, institution = {Covering Climate Now}, year = {2025}, month = may, url = {https://coveringclimatenow.org/from-us-story/covering-coastal-flooding-and-sea-level-rise/}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }