Today’s Solutions: December 16, 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.

Tree Equity Score tool maps ou

Tree Equity Score tool maps out critical areas for urban forestry

Trees and urban green spaces are essential for city dwellers. Vegetation improves air quality, and tree cover provides shade from the heat of the sun—something that is increasingly sought after as human-induced climate change takes temperatures to extremes. Unfortunately, low-income Read More...

Giant panda gives birth to tin

Giant panda gives birth to tiny twin cubs at Tokyo zoo

Good news for the conservation of one of the most beloved creatures on earth! A giant panda has given birth to two cubs at Tokyo's Ueno Zoo in Japan. Last Wednesday, 15-year-old Shin Shin gave birth to tiny twin cubs. The event marks the first time that twins have been born at the zoo. "Baby Read More...

Years of exclusive rainforest

Years of exclusive rainforest recordings are now available worldwide

The recordings of Cornell University’s Elephant Listening Project, which was established in 1999, are finally going public—and here’s why that matters. The gigantic acoustic monitoring effort covers about 480 square miles in the Republic of Congo’s Nouabalé-Ndoki National Park, an area Read More...

The Bison Bridge – World

The Bison Bridge - World's longest human-made wildlife crossing

Chad Pregracke is an impassioned conservationist who spends his time on barges, cleaning up refuse from the Mississippi River. While on the river, he watches cars drive across a 55-year-old concrete bridge that is meant to be demolished and replaced—but when he sees the aging bridge, he imagines Read More...

Eco-labels will soon show the

Eco-labels will soon show the sustainability of Europeans food products

Living a more sustainable life is a valiant and worthwhile goal, however, following through with it is a daily challenge. As consumers, the information we need to make the most sustainable choice is often not readily available, and reading through the labels and small print is exhausting and takes Read More...

Study of 90 cities links green

Study of 90 cities links green space access with increased happiness

More and more cities are making tree-planting and green space allocation a key part of their urban planning strategy. Not only do green spaces mitigate the heat island effect, but they also work to purify the air and improve the health of residents. The correlation between nature and happiness has Read More...

LEGO’s new prototype bricks

LEGO’s new prototype bricks are made from discarded plastic bottles

From cutting plastic from packaging to using plant-based materials, famous toymaker LEGO has been hard at work in recent years to make its beloved toy bricks more sustainable. With that same goal in mind, the company has recently created its first prototype building blocks using recycled PET Read More...

Colombia declared home of the

Colombia declared home of the most butterfly species in the world

A new study released by the Natural History Museum in London has just dubbed Colombia the world’s official butterfly paradise. The country of Colombia is home to some of the richest biodiversity on the planet, including approximately 20 percent of the world’s butterfly species. An Read More...

Startup cuts the ribbon on the

Startup cuts the ribbon on the world’s first lab-grown meat factory

Lab-grown alternatives to meat (aka cultured meat) that look and taste like the real thing have become mainstream in recent years, with people increasingly turning to these substitutes to green up their diets. A new startup in Israel wants to make cultured meat even more popular among consumers by Read More...

New ThredUp survey shows used

New ThredUp survey shows used clothing market is here to stay

According to a new report from ThredUp, millennials and Gen-Z consumers are demanding more sustainable products and would rather dig for gems in vintage shops than purchase from giant retail chains, which are increasingly criticized for generating colossal amounts of material waste and failing to Read More...