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.

How planting trees saved an en

How planting trees saved an entire district of West Bengal

Twenty years ago, the Purulia district of West Bengal was facing a crisis. Water shortages, heat waves, erosion, lack of firewood, and biodiversity loss plagued the area until the 30,000 residents decided to invest in a permanent solution: the Green Mountain.  The district transformed a barren Read More...

This new process turns all kin

This new process turns all kinds of waste into valuable graphene

In a classic case of ‘two birds, one stone’, scientists at Rice University have come up with a clever solution for food waste and plastic waste. The solution comes in the form of a new process that can turn bulk quantities of carbon-based materials such as food waste into flash graphene—a Read More...

Madagascar to plant 60 million

Madagascar to plant 60 million trees in less than four months

Madagascar, the oldest island in the world and the fourth-largest, is home to an astounding range of plant and animal life, most of which are found nowhere else on earth. Over the last two decades, however, the country has lost nearly one-fifth of its tree cover, which serves as the primary Read More...

Effective urban planning doesn

Effective urban planning doesn’t just boost efficiency. It also saves lives

Good public transportation and infrastructure design can help cities run more smoothly and reduce emissions and traffic. Now, research has shown that effective urban planning can actually reduce transit injuries as well.  Researchers compared maps of almost 1,700 cities across the world with Read More...

Will crickets be a main featur

Will crickets be a main feature on menus in 2050?

By 2050 there will be an estimated 10 billion humans living on this planet. Beyond that being a lot of mouths to feed, those folks will be, on average, wealthier than today's population, with a taste for the foods found in regions like the US and Western Europe. But we simply don't have the Read More...

How New Jersey is taking extra

How New Jersey is taking extra steps to consider the climate in building plans

This week, New Jersey announced it will become the first state to require potential building projects to pass a climate change impact evaluation before being approved. As a part of Gov. Phil Murphy’s commitment to achieve 50 percent clean energy by 2030 and 100 percent by 2050, building projects Read More...

How this city in Illinois plan

How this city in Illinois plans to stop homelessness by the end of the year

Less than a decade ago, more than 700 people were homeless in the small, 150,000 person city of Rockford, Illinois, about 90 miles northwest of Chicago. By the end of the year, the city expects that number will have shrunk to essentially zero—making it the first community in the U.S. to end Read More...

Germany is turning 62 Cold War

Germany is turning 62 Cold War military bases into sanctuaries for wildlife

Wildlife in Germany will get a quarter more land to roam over, as the country’s government has decided to turn 62 unused military bases into sanctuaries for rare birds and other animals. Serving once as military bases at the center of the Cold War, the green areas just west of the Iron Curtain Read More...

New research shows the neurolo

New research shows the neurological importance of living near green spaces

As the Optimist Daily has often reported, natural spaces improve air quality, mental health, and boost community building. Adding to their list of superpowers, a new study from the University of British Columbia has found that living near green spaces can reduce your risk of developing neurological Read More...

UK to get air-filtering buses

UK to get air-filtering buses on the roads of some of its major cities

For some time now, major cities in the UK have been experiencing high levels of air pollution, pushing local authorities to up their game on solving the problem. In an effort to help alleviate the issue, the country’s biggest bus and rail operator - the Go-Ahead Group - has come up with an Read More...