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Nov 1 10 tweets 5 min read
The long-neglected water system in Marin City is one of the most vulnerable to climate-driven flooding in the Bay Area. Nearly 3,000 people — 63% people of color — live there.

"Marin City is like a bathtub with only one drain.” – @kzhill, @UCBerkeley. Workers try to divert water into drains as rain pours down o
"Marin City has flooded for over 80 years."

Terrie Harris-Green, executive director for Marin City Climate Resilience and Health Justice, has fought for environmental justice for this community for decades.

“It comes to race. It comes down to it.” Terrie Harris-Green poses for a portrait near a pond in Mari
Last October, an atmospheric river parked itself over Marin City, turning residential streets into rivers. This flooding is a precursor of what the Bay Area will experience as climate change escalates, increasing the risk of a California megaflood. Workers try to divert water into drains as rain pours down o
The worst-case scenario for #MarinCity is if a megastorm and king tide happened at the same time, trapping residents for many days.

"The problem is we built our infrastructure assuming these events were very rare. Now, they are something you should be expecting."–@Weather_West Marin City can be seen from Alta Trail northwest of the unin
The history: Many of Marin City's Black residents were displaced in the 1960s when officials tore down temporary housing from the shipbuilding effort.

"White families were able to go out and buy homes. Not so for people of color."–Terrie Harris-Green. Terrie Green speaks during a community meeting to address fl
In 2020, Harris-Green's group and the @SFEstuary surveyed 280 residents and found that:
▶️85% were concerned about aging pipes
▶️43% about sewage contaminating their drinking water
▶️40% about chemical dumping in Marin City during WWII
"We have the same breath in our bodies that anybody else has. We should have the same environmental rights and freedoms as everybody else."--Aalaya Wheeler
Supervisor Stephanie Moulton-Peters acknowledged that Marin City has not received significant investments for flooding or testing issues because of "systemic racism."

"I believe we need to change up our systems." Marin County Supervisor Stephanie Moulton-Peters and Califor
California is exploring how to repair the harm of a violent history of slavery and centuries of oppression through the work of a statewide task force on reparations.

“We want fair justice and we want equal treatment.”–Shannon Bynum, Marin City resident Shannon Lee Bynum replaces a filtered water tank at his home
Read the full story by @ezraromero here: kqed.org/science/198052…

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More from @KQEDscience

Sep 15
On Thursday morning, the M2.9 tremor on the Hayward Fault shook areas in Berkeley and nearby areas at 2:41 a.m. according to @USGS.

This is just 2 days after 2 #earthquakes of more than M4in Santa Rosa.

We're all probably wondering: when's the Big One?

A thread ⤵️
In 2019, Peggy Hellweg from @UCBerkeley said that there's minor earthquake activity occurring almost continuously along the Hayward Fault, though most of it goes unnoticed.

What do small earthquakes tell us about the next Big One? ⤵️
Scientists who developed the HayWired modeling scenario estimate that there's about a one-in-three chance of a magnitude-7 quake on the Hayward within the next 30 years.

kqed.org/science/193694…
Read 4 tweets
Sep 14
There are 138 contaminated sites in West Oakland that either have never been cleaned up, or are in some state of active remediation.

"These are environmental health issues that need to be addressed now," said UC Berkeley's @rmfrosch, Toxic Tides.

@ezraromero has the story 🧵: Downtown Oakland can be see...
The toxic waste and pollution in West Oakland are a result of the legacy of racism in housing, economic and other policies over decades. Residents didn't consent to living in these conditions.

"There's tons of pollutants, or toxics, in the ground."—Margaret Gordon, @WOEIP Community activist Margaret...
Groundwater rise is a dangerous game of inches, according to @kzhill, @UCBerkeley.

Why is this dangerous?

Very subtle changes to the shallow groundwater can pressure and crack sewer pipes, while chemicals can corrode them.
Read 8 tweets

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