Today’s Solutions: April 22, 2026

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.

European cities get funding to

European cities get funding to transform streets with art

A number of European communities will soon have the opportunity to give their roads a little creative flair. The Asphalt Art Initiative Nineteen European cities will each get a grant of $25,000 from the Asphalt Art Initiative, a project that aims to increase pedestrian safety by painting Read More...

For the first time ever, Greec

For the first time ever, Greece meets energy demands with 100% renewables

The other week, Greece celebrated an exciting milestone! All of the country’s electricity needs were met by renewable energy for the first time, as stated by the country's independent power transmission operator IPTO. Greece’s transition to renewable energy Renewables accounted for 100 Read More...

cheery positive carefree guys ladies having fun dancing in club

Update: Legendary Glasgow club activates its revolutionary BODYHEAT system

Last year, we wrote about the legendary Glasgow club SWG3’s innovative plan to generate energy using dancers’ body heat to heat and cool the club. Well, we have an exciting update for you! According to Energy Live News, the renowned venue SWG3 officially activated the revolutionary system, Read More...

The greater wax moth wax worm Galleria mellonella

Wax worm spit: a promising weapon in the fight against plastic pollution

The saliva of wax worms, the beehive-infesting larvae of wax moths, has incredible power. Apparently, it contains enzymes that quickly degrade plastic bags— an item we all know plagues our planet. The enzymes—the first known to break down polyethylene in a matter of hours at room Read More...

Blue-throated macaw against a blue sky

Bolivia’s blue-throated macaws are making a macaw-m back

Blue-throated macaws were thought to have died out in the wild, but over the past few years, more than 100 of them have hatched in nesting boxes in Bolivia. Rainforest Trust has been working with local partners to protect and grow these birds' habitats so they don't go Read More...

close up of paint spray gun, worker painting a car white

The world’s whitest paint may soon make travel even cooler

The world's whitest paint, which has the ability to reflect about 98% of incoming sunlight, was created last year by Purdue University engineers using their knowledge of materials science. This paint has significant promise for improving building energy efficiency by reducing the need for air Read More...

Parking reform: a win for hous

Parking reform: a win for housing and climate in California

Assembly Bill 2097, signed into law by California Governor Gavin Newsom on Thursday, eliminates parking mandates for residential and commercial developments located within half a mile of major transit stops. Minimum parking requirements raise housing costs, use up valuable land, and make Read More...

Close Up Danish Flag, Copenhagen

Denmark pledges millions to nations disproportionately affected by climate change

Last week, Denmark made a historic move for climate justice by pledging 100 million Danish crowns ($12.9 million) to developing nations damaged by the climate crisis. This makes it the first United Nations member state to offer “loss and damage” compensation. Denmark joins Scotland and the Read More...

 Air Canada baggage weighing with check in counter in the background.

Canada’s largest airline purchases electric aircraft

Conventional fuel for transport (air travel, in particular) is one of the most significant contributors to CO2, making the electrification of travel high on the list of priorities in terms of fighting climate change. Air Canada, Canada’s largest airline, demonstrated its commitment to this goal Read More...

Tropical jungles of Southeast Asia in august

New platform CTrees calculates the carbon in every tree on Earth

New startup CTrees uses artificial intelligence to track exactly how much CO2 the world’s three trillion trees are storing, thereby determining the extent to which trees are helping the planet. CTrees, which was developed by a team of NASA scientists, has a very simple motto: “see the forest Read More...