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MacKenzie Elmer, journalist.

@journomack.bsky.social
252 followers 68 following 135 posts

Climate, science and environment reporter at Voice of San Diego. Anthropocene gal. Scripps Institution of Oceanography grad. More journalism, less bullshit.

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Reposted by MacKenzie Elmer, journalist.
Lisa Halverstadt @lisahalverstadt.bsky.social · 17/06/2026
🧵Folks, the @voiceofsandiego.org team hustles so hard to tell stories that wouldn't be told without us. 👋PSA: We're also a nonprofit fueled by donors. A few recent examples: @jakobmcwhinney.bsky.social's story on how a boom in students with disabilities is hitting local school districts hard.
voiceofsandiego.org
Morning Report: The Special Ed Explosion
Over the past decade, schools across the country have grappled with a striking decrease in enrollment. Tens of thousands of students have left San Diego County schools in the last […]
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Reposted by MacKenzie Elmer, journalist.
Lisa Halverstadt @lisahalverstadt.bsky.social · 07/05/2026
🧵Backers of a proposed countywide sales tax-hike likely to make the November ballot are selling it as a major solution the Tijuana sewage crisis. @journomack.bsky.social's story digging into those claims leads today's Voice of San Diego news blast.
voiceofsandiego.org
Morning Report: New Tax for What, Again?
Supporters of a countywide half-cent sales tax hike on the November ballot have zeroed in on a catchy sales pitch to voters. The measure, they say, will generate up to […]
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MacKenzie Elmer, journalist. @journomack.bsky.social · 14/04/2026
I’ll be on 89.5FM KPBS @ 12:15 today talking about State Sen. Padilla’s proposed bill to put stricter limits on toxic gas emanating from the Tijuana River. voiceofsandiego.org/2026/04/13/e...
voiceofsandiego.org
Environment Report: Tijuana River's Toxic Gas Gets Legislated
State Sen. Steve Padilla is running a bill to strengthen regulations for toxic hydrogen sulfide gas.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 13/03/2026
More like 12:30 -- www.kpbs.org/podcasts/kpb...
kpbs.org
KPBS Roundtable
Hosted by Andrew Bracken, KPBS Roundtable offers perspectives from those who tell San Diego’s stories. Join us for a weekly discussion with reporters, adding depth and context to the headlines driving...
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MacKenzie Elmer, journalist. @journomack.bsky.social · 13/03/2026
I’ll be on @kpbs with @tijuanapress talking about Mexicali farmers’ complaint they haven’t been fully paid for giving up Colorado River water at noon. voiceofsandiego.org/2026/02/27/m...
voiceofsandiego.org
Mexican Farmers Gave Up Water to Protect the Colorado River. They Claim Payment Is Still Due.
Mexicali farmers say they are still owed money as part of an international agreement in which they agreed to not use Colorado River water.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 04/03/2026
Broken parking meter in front of defunct 101 Ash-City Hall such a “now” problem in San Diego.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/03/2026
I am dizzy from the amount of info on this San Diego Community Power flyer. I would have hated to be in that meeting…how do we explain ourselves on a 4x11? HOW?
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/03/2026
I talked with the San Diego Natural History Museum’s newly-retired curator of birds and mammals on a lifetime of telling local stories through winged creatures, AI and dwindling human connection to nature.
voiceofsandiego.org
Environment Report: A Conversation with San Diego’s ‘Bird Wizard’
The Natural History Museum’s newly-retired curator of birds and mammals on a lifetime of telling stories through winged creatures.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/03/2026
Mexican farmers gave up their water to help protect the drying Colorado River. But they claim they still haven’t been paid in full. voiceofsandiego.org/2026/02/27/m...
voiceofsandiego.org
Mexican Farmers Gave Up Water to Protect the Colorado River. They Claim Payment Is Still Due
Mexicali farmers say they are still owed money as part of an international agreement in which they agreed to not use Colorado River water.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 25/02/2026
San Diego police have started sending helicopters to break up college parties near the @SDSU campus. Our reporting intern Rami Alarian investigates why. @voiceofsandiego voiceofsandiego.org/2026/02/24/w...
voiceofsandiego.org
Why Police Helicopters Are Breaking Up College Parties
San Diego Police say helicopters are almost always flying over city airspace and can be used to support policing any crime.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/02/2026
One of CA's biggest government-run electricity-buying orgs stockpiled over half a billion dollars in customer cash, but hasn't used it to lower rates. They raised rates this year. They blame an obligation to pay off SDG&E's contracts: voiceofsandiego.org/2026/02/02/e... @voiceofsandiego
voiceofsandiego.org
Environment Report: Why San Diego Community Power Is Stockpiling Cash
The region’s government-run electricity buyer has over half a billion in its rainy-day fund but hasn’t used any of it to lower rates. Here’s why.
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Reposted by MacKenzie Elmer, journalist.
Sammy Roth @sammyroth.bsky.social · 17/01/2026
A Republican congressman from Texas has introduced legislation to stop California from helping people understand which products are actually recyclable: www.latimes.com/environment/... via @susrust.bsky.social
latimes.com
With a nudge from industry, Congress takes aim at California recycling laws
A bill in Congress seeks to eliminate different state recycling requirements and labeling by creating a single, national standard that would be voluntary.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 16/01/2026
trying to be a good citizen and pay for my parking at Balboa Park but the machine is broken. Don’t you come for me anyway, city of sd.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 06/01/2026
The rain woke Brenda de La Mora at 2 a.m. She roused her husband to grab a rake and tend the storm drain near the flooding creek. Two years ago, the creek consumed hundreds of homes. So far, nothing's changed except that neighbors are triggered. voiceofsandiego.org/2026/01/05/e...
voiceofsandiego.org
Environment Report: Flood Scares Won’t Quit in Shelltown
At 2 a.m. Monday morning, the De la Mora’s were outside in the rain cleaning a city storm drain with a rake.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 06/01/2026
Things look bad for the Colorado River, San Diego's main water lifeline. The river's source water, the Rocky Mountain snowpack, is at record lows. Colorado had its second warmest December since 1893. www.skyhinews.com/news/colorad...
skyhinews.com
Unseasonably warm December sets temperature records as Colorado snowpack remains poor
Across Colorado, this past December was among the hottest ever recorded. Both Denver and Grand Junction recorded their second-hottest December on record, according to the National Weather Service.…
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
I just asked Scott Cameron, Trump’s top water boss at Bureau of Reclamation, why the federal government hasn’t done anything except set new deadlines which seem to be meaningless. He wouldn’t answer my question. #CRWUA2025 @crwua_2025
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
Trump’s acting head of the Bureau of Reclamation warns Colorado River negotiators against suing each other: “Only certainty around litigation is a bunch of water lawyers will be able to put their children through grad school.” #CRWUA2025
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
San Diego @SenStevePadilla introduces bill to update California's toxic hydrogen sulfide gas standards. People living next to the Tijuana River are consistently exposed to levels of the gas the EPA says is unsafe long term. voiceofsandiego.org/2025/12/08/s...
voiceofsandiego.org
South Bay Residents at Risk from Long-Term Toxic Gas Exposure
A year's worth of data shows South Bay residents are constantly exposed to low levels of hydrogen sulfide gas from the polluted Tijuana River that could harm their health in the long run.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
Trump officials are at #crwua2025 this morning to give the quibbling states a stern talking to: Give your commissioners room to negotiate and compromise. If you can't, send us representatives who can - Andrea Travnicek, Assistant Secretary of the Interior. @voiceofsandiego
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
I’m in Las Vegas covering negotiations  among users of the drought-stricken Colorado River. They aren’t going well…again. It’s almost like they want Trump to step in.  voiceofsandiego.org/2025/12/16/d... @voiceofsandiego.org
voiceofsandiego.org
Dispatch from Sin City: Colorado River Negotiations Are Stuck in the Mud
Reporter MacKenzie Elmer is covering talks in Las Vegas among users of the drought-stricken Colorado River. They aren’t going well.  
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/12/2025
Mexicali farmers will spill their Colorado River water — depriving coastal cities like Tijuana of drinking water — if @Claudiashein doesn’t cut a deal to compensate them for blocking their ability to sell it. voiceofsandiego.org/2025/12/16/m... #CRWUA2025 @voiceofsandiego.org
voiceofsandiego.org
Mexicali Farmers Threaten to Use Their Colorado River Water, Putting Tijuana’s Supply in Jeopardy
Cities in northern Baja California depend on Mexicali farmers’ rights to use Colorado River water. The Mexican government just wrested control of that water, sparking protests and blockades by farmers...
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MacKenzie Elmer, journalist. @journomack.bsky.social · 11/12/2025
Interesting reporting by @tammyxmurga on Supervisor @jim_desmond calling for recycling used nuclear fuel at SONGS in SoCal. www.kpbs.org/news/environ... @kpbs
kpbs.org
San Diego County to explore recycling San Onofre nuclear waste
The San Diego County Board of Supervisors approved a plan Tuesday to explore partnering with national laboratories that are developing ways to recycle nuclear waste safely.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 08/12/2025
Another promising application of hydrogen sulfide: obliterating nail fungus! www.nature.com/articles/s41...
nature.com
Antimicrobial effects and mechanisms of hydrogen sulphide against nail pathogens - Scientific Reports
Scientific Reports - Antimicrobial effects and mechanisms of hydrogen sulphide against nail pathogens
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MacKenzie Elmer, journalist. @journomack.bsky.social · 08/12/2025
I spent a lot of time getting to know hydrogen sulfide, a dramatic gas which has caused near-planetary destruction but may also cure erectile dysfunction. Last year scientists sparked fear of its presence in the polluted Tijuana River valley. voiceofsandiego.org/2025/12/08/s...
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MacKenzie Elmer, journalist. @journomack.bsky.social · 08/12/2025
Toxic gas data from the Tijuana River shows the amount of hydrogen sulfide won’t kill anyone instantly, for which H2S is most famous. But there’s enough of the gas consistently circulating in South Bay that people’s health could be impacted longterm. voiceofsandiego.org/2025/12/08/s...
voiceofsandiego.org
South Bay Has a Gas Problem
A year's worth of data shows South Bay residents are constantly exposed to low levels of hydrogen sulfide gas from the polluted Tijuana River that could harm their health in the long run.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 02/12/2025
This will be good: @sammyroth.bsky.social, @amywestervelt.bsky.social & @billmckibben.bsky.social talking climate reporting Wednesday @ 5. Register here: thirdact.org/events/news-...
thirdact.org
News, Climate & Our Constitution: The Value of Robust Climate Journalism to a Healthy Planet and Strong Democracy – Third Act
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MacKenzie Elmer, journalist. @journomack.bsky.social · 01/12/2025
ICYMI, Jenna Ramiscal has this great piece on California’s hydrogen fuel paradox: North County Transit District trucks the fuel in from over 100 miles away to fuel its hydrogen-powered buses. voiceofsandiego.org/2025/11/25/n...
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MacKenzie Elmer, journalist. @journomack.bsky.social · 20/11/2025
Arizona will use taxpayer dollars to pay private companies to build desalination plants in California or Mexico. AZ would trade that investment for more supplies from the Colorado River. www.kawc.org/news/2025-11...
kawc.org
Arizona water board approves desalination plants in California, Mexico
Arizona will provide taxpayer money to help private companies develop plans for at least two and possibly three desalination plants in California or Mexico under proposals approved by a state…
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MacKenzie Elmer, journalist. @journomack.bsky.social · 17/11/2025
More evidence of San Diego’s lack of public restrooms: A man just threw two planters onto the floor of a local Starbucks after being refused access to the bathroom, which is “for customers only.”
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Reposted by MacKenzie Elmer, journalist.
Sammy Roth @sammyroth.bsky.social · 04/11/2025
Don't know how to feel about Bill Gates' controversial climate memo? Join me and four top climate scientists at 1:30pm PT today for a live discussion! Details and RSVP here: www.climatecoloredgoggles.com/p/live-event...
climatecoloredgoggles.com
Live event Tuesday: The Bill Gates climate memo
Join me for an urgent virtual discussion with leading climate scientists.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 04/11/2025
SDG&E's biggest union is enraged over non-union layoffs and buyouts of represented workers. "Over my dead body would SDG&E layoff or negatively impact one of our represented families,” said Nate Fairman of Local 465. voiceofsandiego.org/2025/11/03/s...
voiceofsandiego.org
SDG&E Layoffs Spark Union Backlash
Local 465 blames ‘corporate greed’ and says layoffs won’t translate into lower energy rates.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/11/2025
Ratio utility billing victims are everywhere - wrote about this often third-party billing system used to mask extra costs on tenants back in 2023 voiceofsandiego.org/2023/04/26/r...
voiceofsandiego.org
Ratio Billing in Apartments Leaves Renters in the Dark About Utility Costs
A lack of transparency over charges for water, sewer and energy means tenants have little to no control over their monthly bills.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 03/11/2025
Politico's Annie Snider has this great piece laying out how the impending fate of the drying Colorado River is the only water war the Trump Administration hasn't blown up. www.politico.com/news/2025/11...
politico.com
The water war Trump hasn’t blown up
The fight over the Colorado River’s dwindling resources is made for MAGA — but so far the Trump administration has been playing it straight.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 29/10/2025
Councilmember Marni Von Wilpert. She pushed for San Diego to stop paying its water bills to the Water Authority. “They’re not going to turn off our tap,” Von Wilpert said. “We can go to litigation over this. We can’t continue to rubberstamp.” voiceofsandiego.org/2025/10/29/m...
voiceofsandiego.org
Morning Report: Water Rates Going Up, Up, Up
San Diego City Councilmembers on Tuesday begrudgingly voted to hike the city’s water rates by nearly 30 percent over the next two years, despite the fact that the region has […]
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
Council passes 31% increase in water and wastewater rates over next two years. Citizens who spoke against the move stage promoters outside chambers after vote. @voiceofsandiego
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
Council passes 31% increase in water and wastewater rates over next two years. Citizens who spoke against the move stage promoters outside chambers after vote. @voiceofsandiego
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
San Diego City Council passes two-year water rate increase - 29% - with council members Lee, Moreno, Foster and Von Wilpert voting no. @voiceofsandiego
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
Councilmember Whitburn says he won't support "four years" of water rate increases. That's different than what he said in September. He's asking whether PUD could do a 5 percent increase just for the coming year.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
“Our city is at risk of becoming an inhospitable desert only for the wealthy.” - an anti-water rate hike San Diegan to City Council
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
Another public speaker is worried that Metropolitan Water District of Southern California is buying fluoride from China to “poison” the water system.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
This guy’s shirt says “crap in the pipe! Cost increase program. CIP?” He blamed city for cost overruns on Pure Water program, which was estimated at $1,800/AF. And is now upwards of $3,000k/AF.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
This guy, Bernie, made his own t-shirt to protest San Diego’s water rate increase that reads: “Unpure Water Project.” San Diego’s Pure Water project is a driver of the city’s large rate increase City Council is considering today.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 28/10/2025
More parking fee news: San Diego Utilities Department floats charging for parking at city reservoirs (which are used like parks) as a way to generate more revenue while it faces potential huge setbacks should City Council fail to raise rates to pay for its system.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 21/10/2025
Just gonna leave this little old story about how the Sports Arena/Midway is in a flood zone right here: voiceofsandiego.org/2020/08/19/n... @voiceofsandiego
Just gonna leave this little old story about how the Sports Arena/Midway is in a flood zone right here
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Reposted by MacKenzie Elmer, journalist.
Andrew Dyer @andrewdyer.bsky.social · 16/10/2025
I'm doing everything I can to find out what the Navy is or isn't launching over the 5 on Saturday. If you know dm me here or on Signal
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MacKenzie Elmer, journalist. @journomack.bsky.social · 16/10/2025
The largest water seller in the nation, Metropolitan WD of SoCal, gets a new leader: Shivaji Deshmukh from the Inland Empire Utilities Agency. He replaces ousted Adel Hagekhalil. www.businesswire.com/news/home/20...
businesswire.com
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MacKenzie Elmer, journalist. @journomack.bsky.social · 09/10/2025
Will miss @sammyroth.bsky.social ‘s voice at the @latimes.com. He is a legend.
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MacKenzie Elmer, journalist. @journomack.bsky.social · 09/10/2025
Mayor Todd Gloria’s admin ousts climate and sustainability direction - The firing follows a pattern of weakening San Diego’s climate action activities. voiceofsandiego.org/2025/10/08/m... @voiceofsandiego
voiceofsandiego.org
Mayor Gloria’s Admin Ousts Climate and Sustainability Director
The firing of the city’s Chief Sustainability Officer follows a pattern of weakening San Diego’s climate action arm. 
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MacKenzie Elmer, journalist. @journomack.bsky.social · 04/10/2025
Nick Serrano, chair of @sdcwa/@toddgloria’s deputy, says Metropolitan should pause its Pure Water wastewater recycling project. San Diego is building its own right now. But he says Met should take some of San Diego’s Colorado River supply instead. #politifest2025
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MacKenzie Elmer, journalist. @journomack.bsky.social · 04/10/2025
San Diego's public power company is offering to subsidize customers who install solar + batteries on their homes. There's a $55 million pot to draw from, all redistributed revenue from the energy bills San Diegan's pay. tinyurl.com/3xeaeybh via @uniontribune
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