Search
490 results for "biodiversity"
Podcast Transcript April 17, 2026— Why you keep falling for the same person, and 9 other things worth discussing this week
Episode Description: This week: a German research team built a water contamination test that runs on a smartphone and gives you an answer in under a minute. A Cornell professor has a gardening trick that involves water, a paper towel, and one night. A Bristol startup figured out what to do with Read More...
Earth Day at 56: why the 2026 theme carries more weight than usual
BY THE OPTIMIST DAILY EDITORIAL TEAM On April 22, 1970, roughly 20 million Americans took to the streets, campuses, and parks to demand that the government treat the environment as something worth protecting. At the time, rivers in the United States were catching fire. Lead was still in Read More...
Why Western scientists are turning to Indigenous knowledge
BY THE OPTIMIST DAILY EDITORIAL TEAM Marco Hatch describes his own work with characteristic dry humor: "I'm a glorified clam counter." What he's actually doing is more complicated. As a marine ecologist at Western Washington University and an enrolled member of the Samish Indian Nation, Hatch is Read More...
24 creatures get their first names and a shot at being protected
BY THE OPTIMIST DAILY EDITORIAL TEAM In February 2024, sixteen scientists gathered at the University of Lodz in Poland, surrounded by snow, to spend a week examining creatures from the floor of the Pacific Ocean. The animals they were studying lived at depths of around 13,000 feet (roughly Read More...
Podcast Transcript March 20, 2026— From psilocybin to ocean robots: 10 solutions you'll actually want to hear about
Episode Description: This week, Arielle and Karissa cover a tiny African island paying locals to protect its rainforest, the lion DNA case that just sent two poachers to prison, and new research on music, overthinking, and quitting smoking. Oh, and the hummingbirds are on their way. If you have Read More...
The DNA database built to protect lions just helped convict the people who killed one
BY THE OPTIMIST DAILY EDITORIAL TEAM When conservation biologists fitted a male lion with a radio collar near Hwange National Park in Zimbabwe, they were studying his movements. They drew blood, logged his health information, and stored his DNA profile in a database. They had no way of knowing Read More...
How paying people to protect a rainforest is rewriting colonial history on a tiny African island
BY THE OPTIMIST DAILY EDITORIAL TEAM For centuries, the tiny West African island of Príncipe was a place where nature was exploited and people were brought in chains to work it. Today, the descendants of those laborers are being paid to protect it. The Faya Foundation, funded by South Read More...
Panama’s golden frogs return to the wild after 17-year battle with deadly fungus
BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time in nearly two decades, Panama’s forest streams are once again home to flashes of bright yellow. The Panamanian golden frog (Atelopus zeteki) is being reintroduced to the wild 17 years after a fungal epidemic wiped it out in its native Read More...
Explaining Belgium’s ‘wedding flight’ of 1,000 queen bees and how it is reviving Europe’s endangered dark bee
BY THE OPTIMIST DAILY EDITORIAL TEAM Each summer, a humble Belgian town becomes the stage for one of nature’s most dramatic rituals. In Chimay, about 1,000 virgin queen bees take to the sky for what beekeepers call the “wedding flight.” High above the fields, males mate with the queens in Read More...
Podcast Transcript February 27, 2026— New Year, New Us: The Optimist Daily Weekly Roundup goes bigger with 10 solutions
Episode Description: It’s our first episode of the year! And the Optimist Daily Weekly Roundup is officially refreshed. Karissa and Arielle kick off the new format (hello, “tasting menu” of all ten weekly solutions), explain the difference between Emissaries and Optimists, and share a new Read More...