Today’s Solutions: December 19, 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.

Solar plane lands in Ohio on l

Solar plane lands in Ohio on latest leg of round-the-world flight

An experimental airplane powered solely by energy from the sun landed in Ohio on Saturday night on the latest leg of its historic bid by pilots and developers to fly around the globe without a drop of fuel. The single-seat Solar Impulse 2 aircraft arrived in Dayton shortly before 10 p.m. local Read More...

Renewable energy storage: A tr

Renewable energy storage: A train filled with rocks on a hill

The storage of renewable energy is a challenge as the sun doesn’t always shine and the wind doesn’t always blow. The cutting-edge technology solution comes from ever more clever batteries. But what about a 19th century solution for a 21st century problem, with help from the abundant natural Read More...

15 inspiring examples of renew

15 inspiring examples of renewable energy success

We report every day on the renewable energy revolution that is gaining more and more speed. Here’s a good selection of the successes put together by BuzzFeed. Just one note: We’d rather see that backpack used in a different Read More...

People power: Tasmanian reside

People power: Tasmanian residents to store solar energy and sell it back to grid

There are more than 1.5m households in Australia with rooftop solar. And in a few months time, 40 Tasmanian homeswill be acting as mini power stations – not just producing energy for their own consumption and to export back into the grid, but actively trading and profiting from the power they Read More...

Shell prepares for the world a

Shell prepares for the world after oil with new clean energy division

Oil companies face the tremendous challenge that their core business is phasing out. And, if history is any guide, the leaders of one industrial revolution—fossil fuels—are seldom the leaders of the next industrial revolution—renewable energy. However, every step towards more clean, renewable Read More...

Using solar power to turn salt

Using solar power to turn saltwater into drinkable water

Fresh drinking water is increasingly precious. That’s why worldwide hundreds of desalination plants are planned or under way. However, most of them are powered by fossil fuels. At the giant Mohammed bin Rashid Al Maktoum Solar Park under construction near Dubai, a desalination facility goes Read More...

Key climate solutions advance

Key climate solutions advance considerably faster than anyone expected

This is music to the ears of readers of The Optimist Daily. An analysis by a long-time renewable energy expert argues with detailed data that key climate solutions have been advancing considerably faster than anyone expected just a few years ago. Just last week, as we reported, a Saudi-backed Read More...

Schools, offices in India to b

Schools, offices in India to bank on solar energy to meet power demand

This could be the way forward for many institutions in the state. In a bid to tap the solar energy to meet its electricity requirements, the Kozhikode District Panchayat is gearing up for a `6.64 crore solar power project. The 10 mega watt project, to be implemented in collaboration with the Kerala Read More...

Nissan reuses EV batteries for

Nissan reuses EV batteries for home energy storage

Nissan has revealed a new home energy storage product created from recycled batteries sourced from the company’s electric vehicle offerings, according to recent reports. The move means that Nissan has now joined Tesla and Daimler (Mercedes) in the offering of home energy storage systems in Read More...

Morocco to host first solar fa

Morocco to host first solar farm in €400bn renewables network

Morocco has been chosen as the first location for a German-led, €400bn project to build a vast network of solar and windfarms across North Africa and the Middle East to provide 15% of Europe's electricity supply by 2050. The Desertec Industrial Initiative (DII), a coalition of companies Read More...