Today’s Solutions: December 19, 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.

This startup is repurposing wa

This startup is repurposing wastewater one flush at a time

Water conservation is a pillar of environmentalism and critical for protecting the Earth's dwindling fresh water supply. We've featured desalination solutions that are aiding in this effort, but today we're focusing on localized water treatment as a path to water security. Startup Epic Read More...

Athens is tackling urban air p

Athens is tackling urban air pollution and heat stress with "pocket parks"

Adding greenery to urban areas can do wonders for the liveability of a city. On top of providing shade and a cooling effect, trees, and shrubs also remove pollution from the air. That’s why Greece’s capital, Athens, has embarked on a mission to green up the city by creating “pocket parks” Read More...

CityLoops is a grand experimen

CityLoops is a grand experiment on the scalability of circularity

If you sit on a bench in the city of Musicon, about 30 kilometers from Denmark’s capital of Copenhagen, you’ll likely be sitting on a slab of concrete recycled from a nearby demolition site. Musicon is one of seven cities around Europe selected for experimentation by CityLoops, a project Read More...

Cultivate a more sustainable c

Cultivate a more sustainable closet with these green fashion tips

We recently shared three strategies for buying clothes more eco-consciously. In addition to shopping with sustainability in mind, taking a deeper look at your clothing habits, in general, can help you develop an environmentally-friendly closet and ditch fast fashion for good. Here are five Read More...

UGG launches new carbon-neutra

UGG launches new carbon-neutral vegan shoe line

We recently shared a guide to making more eco-conscious clothing choices. Part of this includes buying from brands that value sustainability and durability. One such company making their goods a bit greener is UGG. The popular shoe brand just launched their Plant Power Collection which features Read More...

This startup turns captured ca

This startup turns captured carbon into stone

Addressing climate change means finding new strategies for carbon capture. Many of these, like kelp farming, focus on absorbing carbon back into our natural environment. Icelandic startup Carbfix is taking on this same challenge, but rather than use plants, it's putting carbon back into the ground Read More...

Hermès is the latest brand to

Hermès is the latest brand to offer mushroom-based leather products

Mushroom-derived leather holds real potential for revolutionizing the fashion industry and pushing it towards more sustainable practices. This potential has been particularly reflected in recent partnerships between major brands and biotechnology startups looking to replace animal-sourced leather Read More...

Australia launches first Natio

Australia launches first National Plastic Plan

Plastic pollution is a huge concern, especially for marine environments. To tackle the growing plastic crisis, Australia has announced a new “National Plastic Plan” which aims to comprehensively reduce plastic pollution and its associated health and environmental hazards.  The new plan Read More...

California will be home to the

California will be home to the world’s first 3D printed housing community

Last week we shared a story about how the United States’ first 3D printed homes are nearing completion in Austin, Texas. Now, Rancho Mirage in California is expected to become home to the world’s first 3D printed housing community — marking an important milestone in the transition of the Read More...

Ryerson University’s new hea

Ryerson University’s new health education tower raises sustainability standard

Toronto’s Ryerson University has reached a new standard for sustainable campus design with its award-winning Daphne Cockwell Health Sciences Complex. The building, designed in the hopes of achieving LEED Gold certification by global design practice Perkins and Will, is a 28-story tower comprised Read More...