Today’s Solutions: December 18, 2025

Trending

Texas startup pairs diapers an

Texas startup pairs diapers and fungi to fight plastic waste, one baby change at a time

BY THE OPTIMIST DAILY EDITORIAL TEAM Diapers and fungi don’t exactly scream dream team. Not unless you’re the founders of Hiro Technologies, a startup in Austin, Texas that believes baby poop and mushrooms might hold the key to tackling one of the world’s stinkiest environmental problems: Read More...

Could a flight tax help fix th

Could a flight tax help fix the climate finance gap?

BY THE OPTIMIST DAILY EDITORIAL TEAM Air travel is often seen as a symbol of freedom and prosperity. But while it represents convenience for some, for the planet’s climate, it comes at a steep price. Aviation accounts for more than two percent of global greenhouse gas emissions—and that Read More...

Steering toward the future: ho

Steering toward the future: how solar-powered canoes are transforming life in the Amazon

BY THE OPTIMIST DAILY EDITORIAL TEAM In the dense, green arteries of Ecuador’s Amazon, something remarkable is gliding across the water without a sound. These aren’t ordinary boats. They’re solar-powered canoes, and they’re ushering in a transformative way for Indigenous Achuar Read More...

Could your breath reveal who y

Could your breath reveal who you are—and how you feel? Researchers say yes

BY THE OPTIMIST DAILY EDITORIAL TEAM Every person breathes, but no two people do it quite the same. In a new study that blurs the line between biology and biometric tech, scientists have found that breathing patterns are remarkably unique; so much so that they can be used to identify individuals Read More...

How nightclub outings help old

How nightclub outings help older adults fight loneliness

BY THE OPTIMIST DAILY EDITORIAL TEAM It was after midnight at Mirano, one of Brussels’ iconic nightclubs. The bass pulsed through the air, red lights swept across the floor, and young partygoers sipped drinks under the spinning disco ball. But this night was different. Among the crowd in crop Read More...

New rules allow thousands more

New rules allow thousands more Australians to donate plasma, regardless of sexuality

BY THE OPTIMIST DAILY EDITORIAL TEAM In a historic shift for both public health and LGBTQIA+ rights, Australia is lifting long-standing restrictions that effectively barred many gay and bisexual men from donating blood and plasma. Beginning in July, the country will become the first in the world Read More...

How Finland’s giant sand

How Finland's giant sand battery is storing clean energy (and cutting emissions by 70 percent)

BY THE OPTIMIST DAILY EDITORIAL TEAM In a small Finnish town with a big climate goal, an unassuming tower of sand is quietly storing solar and wind energy all while making a powerful statement about clean tech innovation. Pornainen, in southern Finland, is now home to the world’s largest Read More...

Decriminalizing rough sleeping

Decriminalizing rough sleeping: A new chapter in compassion and justice

BY THE OPTIMIST DAILY EDITORIAL TEAM In a long-awaited step towards justice for the most vulnerable, the UK government has announced plans to scrap the Vagrancy Act of 1824. The law, which criminalises rough sleeping in England and Wales, will be replaced next year with more compassionate, Read More...

Turning ashes into action: how

Turning ashes into action: how memorial reefs could restore Britain’s seabeds

BY THE OPTIMIST DAILY EDITORIAL TEAM Funerals are surprisingly polluting. A single burial emits around 833 kilograms of CO2, while a typical cremation releases about 400. Add in the environmental toll of concrete, steel, and embalming chemicals, and the traditional funeral industry starts to Read More...

A splash of good news for ocea

A splash of good news for oceans: new plastic dissolves in seawater in just hours

BY THE OPTIMIST DAILY EDITORIAL TEAM In a world drowning in plastic, scientists in Japan may have found a lifeline. Researchers from the RIKEN Center for Emergent Matter Science and the University of Tokyo have developed a new type of plastic that can dissolve in seawater within hours without Read More...