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301 results for "reduce food waste"
Podcast Transcript July 31st, 2026— Liquid air batteries, dolphins saved by plastic bottles, and an empty weekend a month
Episode Description: Dolphins fatally swim into fishing nets because the nylon is acoustically too similar to water for their echolocation to pick up. A researcher at Newcastle University wondered if attaching something that does produce an echo might change that. The dolphin-saving solution may Read More...
Podcast Transcript July 24th, 2026— The science of soccer-stress, salsa dancing for depression, and why summer slips away
Episode Description: Watching a tense soccer match nearly doubles cardiac event risk, and cortisol could start rising fourteen hours before kickoff. With Spain just taking the World Cup, a fair portion of the world’s population has basically been running a biological experiment on Read More...
Podcast Transcript July 2nd, 2026— Coffee waste as fuel, Nepal same-sex marriage rights, and understanding heat domes
Episode Description: Stanford researchers took cartilage from patients already getting knee replacements (about as degraded as joint tissue gets) and discovered how it could regenerate itself. The cells weren’t replaced or reprogrammed; they just shifted back toward a younger pattern of Read More...
Solar fridges lift African farmers’ incomes by 50 percent
BY THE OPTIMIST DAILY EDITORIAL TEAM Up to 40 percent of food produced in Africa is lost between harvest and market. Not from drought or pest damage, but from the absence of one thing: refrigeration. The early numbers from solar-powered cold storage are hard to argue with. Provider Soko Fresh Read More...
Antarctic whale populations are rebounding, but there's still more to do
BY THE OPTIMIST DAILY EDITORIAL TEAM Good news: the Southern Ocean is filling with whales again. Humpback populations in Antarctica have nearly returned to pre-whaling levels, a rebound scientists say has been faster than almost anyone expected. Researchers conducting a survey near the South Read More...
Investing in planetary health could unlock $20 trillion a year by 2070, says UN report
BY THE OPTIMIST DAILY EDITORIAL TEAM A sweeping new report from the United Nations Environment Programme (UNEP) lays out an ambitious, but achievable, economic transformation: investing in the health of the planet could generate at least $20 trillion in annual benefits by 2070. Released during Read More...
How to keep bananas fresh longer with 3 easy tricks
THE OPTIMIST DAILY EDITORIAL TEAM Our Best of 2025 Lifestyle edition is all about the big impact of small shifts. These stories capture what it looks like to live more intentionally, from the habits we build to the way we connect with others and the world. Think of it as a guide to joyful, Read More...
California leads the charge: why banning polystyrene foam is a game-changer
BY THE OPTIMIST DAILY EDITORIAL TEAM Politics may often feel gridlocked, but this year we witnessed powerful examples of what’s possible when courage meets action. In our Best of 2025 Politics roundup, we’re featuring policies and leaders that pushed for equity, justice, and real-world Read More...
New York City begins enforcing mandatory composting to cut waste and emissions
BY THE OPTIMIST DAILY EDITORIAL TEAM Politics may often feel gridlocked, but this year we witnessed powerful examples of what’s possible when courage meets action. In our Best of 2025 Politics roundup, we’re featuring policies and leaders that pushed for equity, justice, and real-world Read More...
How black soldier fly larvae are revolutionizing agriculture
BY THE OPTIMIST DAILY EDITORIAL TEAM In a year marked by rapid change, scientific progress gave us reasons to wonder, dream, and keep pushing forward. For our Best of 2025 Science roundup, we’re celebrating the breakthroughs that didn’t just advance human knowledge; they sparked possibility, Read More...