Today’s Solutions: December 21, 2025

Environment

Need some good news about the environment? The Optimist Daily is your go-to herald of positive environmental news, highlighting eco-friendly solutions and scientific progress around climate action, circularity, conservation, and more. Learn about everything eco in our Environment section.

Hawaii’s new ‘Gree

Hawaii's new 'Green Fee' sets precedent for climate funding through tourism

BY THE OPTIMIST DAILY EDITORIAL TEAM Hawaii made history by becoming the first U.S. state to implement a climate impact fee aimed at funding environmental stewardship and climate resilience. Officially signed into law as Act 96, the so-called "Green Fee" will increase the state's transient Read More...

10 secret-weapon ingredients f

10 secret-weapon ingredients for plant-based cooking

BY THE OPTIMIST DAILY EDITORIAL TEAM Want to bring more flavor, texture, and excitement to your plant-based meals? Whether you're vegan, vegetarian, or just trying to add more plant-powered goodness to your plate, these go-to ingredients can transform everyday dishes into something truly Read More...

Kyrgyzstan builds 800,000-hect

Kyrgyzstan builds 800,000-hectare ecological corridor to protect mountain biodiversity

BY THE OPTIMIST DAILY EDITORIAL TEAM In a bold and optimistic move for biodiversity, the Kyrgyz Republic has established a sweeping 800,000-hectare ecological corridor that connects Khan-Tengri National Park and the Naryn Nature Reserve. This new corridor expands the nation’s protected Read More...

Urban mining: how Europe is tu

Urban mining: how Europe is turning e-waste and concrete into circular gold

BY THE OPTIMIST DAILY EDITORIAL TEAM Buried somewhere in your drawer, that outdated smartphone may be worth more than you think. Not because it's vintage, but because it holds slivers of lithium, cobalt, and rare earth metals… the very stuff Europe desperately needs. Urban mining, the Read More...

What trees can teach us about

What trees can teach us about volcanoes: a new view from space

BY THE OPTIMIST DAILY EDITORIAL TEAM The next time a volcano begins to stir, the first signs might come not from smoke or rumbling earth, but from the trees nearby. According to a new NASA-Smithsonian study, trees growing near volcanoes become visibly greener as underground magma releases carbon Read More...

A new way to stack bricks coul

A new way to stack bricks could help clean Bangladesh’s air

BY THE OPTIMIST DAILY EDITORIAL TEAM In the cool, dry winters of Bangladesh, the country’s 8,000-plus brick kilns roar to life. Coal-fed and open-air, they bake nearly 30 million bricks annually, filling the skies with thick black smoke in the process. But a new study has found that a few Read More...

The tortilla that doesn’t ne

The tortilla that doesn’t need a fridge will help Mexico’s most vulnerable

BY THE OPTIMIST DAILY EDITORIAL TEAM In a brightly lit lab at the National Autonomous University of Mexico (UNAM), food scientist Raquel Gomez peers through a microscope at microorganisms doing some heavy lifting: enriching tortillas with probiotics and preserving them for weeks without a Read More...

A jelly with a scent of hope:

A jelly with a scent of hope: how a nanoparticle gel could help save coral reefs

BY THE OPTIMIST DAILY EDITORIAL TEAM When the ocean gets too warm, coral reefs bleach, weaken, and sometimes die. And right now, they’re in serious trouble. Over 80 percent of the world’s reef area has experienced heat stress since early 2023, leading to what researchers are calling the Read More...

Breda becomes EU’s first Nat

Breda becomes EU’s first National Park City, setting a hopeful path for greener urban living

BY THE OPTIMIST DAILY EDITORIAL TEAM The Dutch city of Breda, with its cobblestone streets and centuries-old canals, has just added another charming distinction to its name: it is now the first National Park City in the European Union. Designated in May by the National Park City Foundation, Read More...

How DNA in the air could help

How DNA in the air could help track life on Earth

BY THE OPTIMIST DAILY EDITORIAL TEAM In the lush forests of northern Belize, surrounded by hibiscus blooms, kingfishers overhead, and the busy trails of leaf-cutter ants below, biodiversity scientist Elizabeth Clare reflects on a question as profound as it is urgent: how do we measure all of Read More...