Today’s Solutions: December 23, 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.

Rare heath butterfly reintrodu

Rare heath butterfly reintroduced back into the wild after 150 years

Here at the Optimist Daily, we love inspiring conservation stories involving species that return back to the places they once belonged to. Today, we have the heath butterfly as the protagonist of the latest of such comeback stories. The heath butterfly — known as the “Manchester argus” — Read More...

Architects design sustainable

Architects design sustainable housing for changing lifestyles post COVID-19

Remote work may become a permanent way of life for many after the coronavirus crisis ends, with some companies already giving their employees the option to work from home forever. In response to how COVID-19 continues to reshape our lives, Paris-based architecture firm Studio BELEM has proposed Read More...

Geohacking: Could “green san

Geohacking: Could “green sand” beaches help us fight climate change?

On a beach in the Caribbean, a nonprofit called Project Vesta will soon begin testing a radical new way to fight climate change that involves spreading ground-up olivine—a cheap green mineral—over the sand, where ocean waves will break down the mineral, which in turn will pull CO2 from the Read More...

Australian wildlife park celeb

Australian wildlife park celebrates first koala birth since bushfires

The wildfires in Australia took a devastating toll on native wildlife, specifically koalas. In a sign of hope for the future of these species, the Australian Reptile Park has reported the first birth of a baby koala, also called a joey, since the fires in early 2020.  The park made the Read More...

Here are America’s 10 best s

Here are America’s 10 best sustainable buildings of 2020

Buildings generate nearly 40% of the world’s CO2 emissions—and since two-thirds of the buildings that exist today will still be around by the middle of the century, architects need to rethink their design now to have a chance of meeting goals for a net-zero economy. The industry is shifting, Read More...

Marine biologists capture rare

Marine biologists capture rare audio of narwhal buzzes, clicks, and whistles

Narwhals, the so-called unicorns of the sea, may be among the most recognizable marine animals, but they are also notoriously difficult to study due to their skittish nature and uncongenial habits. These characteristics, plus the fact that they live in one of the noisiest environments in the ocean, Read More...

White bidet screwed to a gray tiled wall in the bathroom, close-up

Americans are finally starting to embrace the bidet

Bidet sales are up in America! Editorial confession: We’ve been hoping to write something like that for a long time. If you don’t know what a bidet is, it’s typically a small bathtub-like fixture situated next to the toilet, with taps on one end. Its tub is filled with water, and the user Read More...

Scientists created a rubber ma

Scientists created a rubber material that can be recycled over and over

Big news from the building industry. Scientists in Australia have created a new kind of rubber material that can be recycled in an almost endless loop, which could lead to a whole array of new sustainable building materials. The rubber polymer is made of sulfur and canola oil, and it has a unique Read More...

Millions of healthcare workers

Millions of healthcare workers urge G20 leaders for a green recovery

As lockdowns around the world begin to ease, medical professionals are urging political leaders not to forget the lessons learned from the coronavirus, emphasizing that a new trajectory, one that takes account of air pollution and the climate crisis, is needed. More than 200 organizations Read More...

New agreement helps protect mi

New agreement helps protect migrating monarch butterflies

Every year millions of monarch butterflies migrate from northern and eastern U.S. and Canada to spend winter in southern California and Mexico. Now, these threatened species are getting a little more help along the way, thanks to an agreement between The U.S. Fish and Wildlife Service (USFWS), the Read More...