Today’s Solutions: July 09, 2025

Energy

Transitioning to a world powered by renewable energy is key to tackling climate change. Here you can find the latest good news related to our clean energy transition, covering wind, solar, green hydrogen, hydropower, and more.

This high-tech paint ‘sw

This high-tech paint 'sweats' to cool your home naturally

BY THE OPTIMIST DAILY EDITORIAL TEAM What if your home could beat the heat by sweating, just like your skin? A team of scientists in Singapore may have just made that possible. In a promising new development, researchers at Nanyang Technological University have created a cement-based paint 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...

Researchers are turning outdat

Researchers are turning outdated phones into eco-friendly mini data centres

BY THE OPTIMIST DAILY EDITORIAL TEAM That outdated phone sitting in your junk drawer could be doing a lot more than gathering dust. According to a new European study, it might just be the next tiny tech hero helping researchers monitor marine life or improve your local bus stop. The concept 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...

Urban mining: how Europe is tu

Urban mining: how Europe is turning e-waste and concrete into circular gold

BY THE OPTIMIST DAILY EDITORIAL TEAM Buried somewhere in your drawer, that outdated smartphone may be worth more than you think. Not because it's vintage, but because it holds slivers of lithium, cobalt, and rare earth metals… the very stuff Europe desperately needs. Urban mining, the Read More...

What trees can teach us about

What trees can teach us about volcanoes: a new view from space

BY THE OPTIMIST DAILY EDITORIAL TEAM The next time a volcano begins to stir, the first signs might come not from smoke or rumbling earth, but from the trees nearby. According to a new NASA-Smithsonian study, trees growing near volcanoes become visibly greener as underground magma releases carbon Read More...

Solar panels to become standar

Solar panels to become standard on new homes in England by 2027 under net zero push

BY THE OPTIMIST DAILY EDITORIAL TEAM In a major boost to the UK’s net zero goals, the government confirmed that nearly all new homes in England will be built with solar panels by 2027. Under the new policy, housebuilders will be legally required to install rooftop solar as standard during Read More...

How Boise, Idaho is heating hu

How Boise, Idaho is heating hundreds of buildings with clean geothermal energy

BY THE OPTIMIST DAILY EDITORIAL TEAM In Boise, Idaho, being in hot water is a good thing — especially when it comes to how the city keeps warm. Home to hundreds of natural hot springs, Boise has tapped into the geothermal potential beneath its feet, creating the largest municipally operated Read More...

Scientific societies take char

Scientific societies take charge as U.S. climate report faces political uncertainty

BY THE OPTIMIST DAILY EDITORIAL TEAM When leadership falters, science finds a way forward. That’s the message from two of America’s most prominent scientific societies, which have pledged to carry on critical climate research after the Trump administration sidelined the team behind the Read More...

Kenya on track for universal e

Kenya on track for universal electricity access by 2030, powered by clean energy and community reach

BY THE OPTIMIST DAILY EDITORIAL TEAM In a decade, Kenya has more than doubled its electricity access rate — rising from just 37 percent in 2013 to 79 percent in 2023 — and it's not stopping there. According to the International Energy Agency’s (IEA) latest Energy Policy Review, the country Read More...