Today’s Solutions: December 17, 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.

Northern Elephant Seal (Mirounga angustirostris) Adult Female hawling out during molting season. Año Nuevo State Reserve, Pescadero, California, USA.

Study shows female elephant seals have built-in GPS

Most of the year pregnant female elephant seals are journeying 10,000 kilometers for 240 days across the Eastern North Pacific Ocean. This trek is not only long and has to be perfectly timed so the mothers can give birth within five days of their arrival to the breeding beaches at Año Nuevo Read More...

Fresh Food In Garbage Can To Illustrate Waste.

How to cut down on your food waste

Cutting down on food waste helps the environment in a number of important ways. Most obviously, it saves the resources and energy that go into producing unneeded food at every step of the supply chain, from farming to packaging and shipping. Food that winds up rotting in landfills also produces Read More...

person bikes through road flanked by colorful houses in Oslo

Oslo ahead in reaching no-emission travel by 2030

A new study by a coalition of non-governmental organizations called the Clean Cities Campaign analyzed 36 European cities to see if they are on track to achieving pollution-free mobility before 2030. The coalition looked at factors such as road safety for pedestrians, access to climate-friendly Read More...

DC residences

Cash transfer to DC community creates tangible and emotional benefits

At The Optimist Daily, we love success stories about sustainable urban policies. A recent study by the Urban Institute reports that trust was critical to delivering funds to households in need and improving their mental health at the same time.  THRIVE East of the River In Washington D.C.’s Read More...

Mirema community members replant tree

This Kenyan community regrew its forest

At The Optimist Daily, we love stories fighting deforestation or spurring reforestation. Forests are our friends. They host myriad wildlife, foster ecological diversity, consume carbon dioxide, and breathe out oxygen. They also do a lot of heavy lifting when it comes to reducing floods.  In Read More...

Barn owl in descending with its claws towards the ground to hunt

Owls are helping winemakers stay away from pesticides

Winemaking is a delicate and millennia-old craft. To achieve a desirable product, vintners have to pay close attention to soil, rain, heat, and sunlight. Mice and gophers are other problems that vintners often turn to rodenticides to solve. In a bid to provide a more natural solution, a team of Read More...

hands holding three different spices in scoopers

8 things to keep in mind for sustainably sourced spices

When it comes to what we put in our pantries, many of us are already thinking: organic, ethical, fair trade, and sustainable. However, one type of ingredient that may slip our minds is spices! We spice our foods with flavors from all around the world, so it’s important to consider how they’re Read More...

Elephant and calf

Scientists use elephant DNA to prevent wildlife trafficking

Today, there are about 415,000 elephants in Africa. A century ago, that number was close to 5 million. Conservationists estimate that the international ivory trade leads to about 50,000 elephants being killed each year. If poaching continues at this rate, elephants may go extinct in the near Read More...

Discovery of alien life

Pollution might help detect alien life

Last year, the long-awaited James Webb Space Telescope (JWST) finally blasted off from Earth. It has since reached its final position and turned on its super high-tech cold camera. Scientists hope to carry out a wide range of missions on this incredible piece of machinery, with the end goal of Read More...

Germany solar energy

Germany plans to be 100 percent renewable by 2035

Sustainable energy sources such as wind and solar are important for countries as well as the planet. They improve efficiency, can reduce weather-related blackouts, and they also help a country’s independence by allowing it to rely on itself for energy.  Germany announced Monday that its goal Read More...