Today’s Solutions: December 17, 2025

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United Airlines

Every United Airlines flight out of Amsterdam will use sustainable aviation fuel

A little more than two percent of human-caused, global carbon dioxide emissions come from the aviation industry. Like most other modes of transportation, airlines will have to adapt to the emissions-free future, and infrastructure is developing to accommodate the change. European biorefineries are Read More...

World Food Prize goes to scien

World Food Prize goes to scientist tacking climate change head on

The World Food Prize is a coveted award recognizing people who have increased the quantity, quality, and availability of food for the world. This year's winner is a scientist and former farmer Cynthia Rosenzweig, who plans to donate all her $250,000 winnings to research on climate change and Read More...

Magic Mushrooms

First European psychedelic drug trial clinic opens in the UK

At The Optimist Daily, the magical power of mushrooms and, particularly, their psychedelic therapeutic benefits are things we cannot stop writing about. From adaptogen compounds to the forest neural networks they offer, we love everything mycelia.  That’s why we were happy to hear about the Read More...

Middle aged woman sitting under a tree reading a book in the park.

Spending time in greenery reduces the risk of dementia

Here at The Optimist Daily, we’ve always emphasized how important nature and greenery are for your health. With luscious vegetation comes a whole range of mental benefits such as improved cognition in children and boosted happiness. A recent study from Boston University confirms just this. The Read More...

Standford University against dramatic sky

Stanford’s first new school in decades is dedicated to the climate crisis

For the first time in 70 years, Stanford University is opening a new school—The Stanford Doerr School of Sustainability, a school dedicated solely to studying the climate crisis. The doors of Stanford’s school of sustainability will open this fall, an event made possible by generous Read More...

Karine Jean-Pierre speaking at event

White House names first Black openly gay press secretary

There’s been another win in the realms of diversity and representation in the past week: President Joe Biden announced that Karine Jean-Pierre will take on the role of White House press secretary, replacing Jen Psaki who is expected to move on as a TV host at MSNBC. This would make Jean-Pierre Read More...

solar panels in desert environment

For the first time ever, California runs on 100 percent clean energy

On April 30th, just over a week ago, California—the world’s fifth-largest economy, hit an incredible milestone—On that historic Saturday, the entire state was powered by 100 percent clean energy for approximately 15 minutes, with solar power leading the charge. As reported by Electrek, the Read More...

Old native forest in Tasmania

Tasmania becomes one of the world's first carbon negative places

Tasmania has become one of the few places in the world to achieve net carbon negative emissions by cutting down logging activities, according to a new study. A "remarkable achievement" The study comes from the Australian National University (ANU) and Griffith University, where scientists have Read More...

Women's March in Washington demanding continued access to abortion after the ban on most abortions in Texas

These US companies have expanded their abortion benefits to support employees

If the 1973 Roe v. Wade ruling is overturned by the US Supreme Court, which is what the draft opinion that was leaked to news outlet Politico on May 2nd suggests, the person’s right to an abortion would no longer be protected by the US constitution. This means that issues related to abortion Read More...

Transportation across states

US cities work together to create network of abortion safe havens

After a draft of a US Supreme Court decision to overturn Roe V. Wade was leaked, people across the country now worry about the future of their ability to access safe abortions.  A collective of city and state leaders across the United States are working together to create a facilitative network Read More...