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1 week ago | 
sammatey.substack.com | Sam Matey
Touch or scan the QR code below to take today’s action in the app and earn trees!Or take action on the Internet – no app required!Check out the Day of Action website!Search for April 19 actions near you!ShareThis isn’t the original climate action post planned for today.
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1 week ago | 
sammatey.substack.com | Sam Matey
The leading Ember energy think tank reports that the historically fast acceleration of solar power worldwide has pushed all low-carbon energy sources (renewables plus nuclear) to provide 40.9% of all of human civilization’s electricity in 2024, crossing 40% for the first time. Critically, even though the world’s demand for electricity keeps rising, clean energy growth is now consistently outpacing demand growth, meeting growing needs while cutting into incumbent fossil fuels’ market share.
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1 week ago | 
sammatey.substack.com | Sam Matey
Rex Hansen is a Product Manager for the ArcGIS Maps and SDKs for Game Engines at Esri, the world’s leading geospatial software company.
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2 weeks ago | 
sammatey.substack.com | Sam Matey
The unprecedented mass production of solar panels in Chinacontinues to transform human civilization’s energy systems faster than almost anyone thought possible. Now, it looks like China’s solar panel exports to developing countries (the “Global South”) overtook exports to developed countries (the “Global North”) in 2024 after more than doubling in just two years.
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2 weeks ago | 
sammatey.substack.com | Sam Matey
This is my second article reporting in-person from Mexico! It covers my visit to the great Xochimilco Ecological Park in Mexico City and the incredible wildlife conservation, cultural preservation, and climate resilience work being done there by the Humedalia association.
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3 weeks ago | 
sammatey.substack.com | Sam Matey
Hi folks, I'm reposting my recent interview with U.S. plug-in solar (aka "backyard" or "balcony" solar) startup nonprofit Bright Saver, as there's been a time-sensitive update! Cora Stryker of Bright Saver just told me that they've seen an encouraging spike in early sign-ups since this interview was first published, and they now need to find just 50 more early adopters in the Bay Area of California, ideally very soon, to receive the remaining half of Bright Saver's first 100 plug-in solar...
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3 weeks ago | 
sammatey.substack.com | Sam Matey
A recent study calculates that wolves (Canis lupus)continue their epic comeback across the continent of Europe, with the estimated population increasing by a striking 58% in a decade from an estimated 12,000 in 2012 to at least 21,500 in 2022, with about 19,000 wolves in European Union member states.
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1 month ago | 
sammatey.substack.com | Sam Matey
The critically endangered African penguin (Spheniscus demersus) has seen its population plummet by 93% in the last 70 years, with mass overfishingcutting off their food supply. Now, a negotiated legal settlement between fishing industry and conservationist groups, as enforced by a new March 2025 court order, has established no-fishing zones around six key breeding colonies that should last until 2035, creating a potential lifeline for the future of the species.
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1 month ago | 
sammatey.substack.com | Sam Matey
It’s been known for years that whale feces play a vital role in Earth’s ocean ecosystems and climate interactions, with cetaceans feeding in the deep and pooping near the surface providing vital fertilizer for mass carbon-sucking phytoplankton growth. Now a new study explores the underestimated role of whale urine.
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1 month ago | 
sammatey.substack.com | Sam Matey
Cora Stryker is a social entrepreneur and the cofounder of Bright Saver, a brand-new climate action nonprofit working to accelerate the adoption of ultra-simple plug-in solar in America. In the interview below, this writer’s questions and comments are in bold, Mr. Robinson’s words are in regular text, and extra clarification (links, etc) added after the interview are in bold italicsor footnotes.
