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.
MIT researchers develop cost-effective battery made of common materials
The environmental benefits of using electricity rather than fossil fuels to power our world goes without saying— however, the process of electrifying everything has its obstacles. One of the greatest obstacles is the limited resources of lithium, nickel, and cobalt which are all used to create Read More...
Are hydrogen fuel cell cars a better choice than plug-in EVs?
There is no doubt that The Optimist Daily is excited about the increasing number of electric vehicles on the roads. In the US, infrastructure for plug-in EVs has been fleshed out in many regions, easing drivers’ range anxiety. With new tax credits in the Inflation Reduction Act, we can expect Read More...
Chicago pledges to run all city operations with clean energy
As countries large and small struggle with the undeniable impacts of climate change, more and more cities are taking a lead in mapping out strategies to reduce greenhouse gas emissions. One particularly fruitful avenue to follow involves stamping out the excessive burning of fossil fuels. Well, the Read More...
Earthworms: a natural solution to farms’ wastewater
Royal Dairy in Royal City, Washington has a problem that's common to dairy farms. The hundreds of millions of gallons of water used by their dairy and beef cows eventually become wastewater carrying animal waste, nitrates, and other harmful chemicals into the groundwater which people could one day Read More...
Oregon project lets farmers test drive electric tractors
American drivers have plenty of options when it comes to electric cars, but what about farmers? The electrification of the agricultural industry is a lucrative and relatively untapped market. However, first, the technology needs to be sold to farmers, many of whom are hesitant about the Read More...
9 driving changes you can make to save more and burn less
Gas prices keep going up. While many of us can’t yet afford an electric vehicle, and we still need to get places, there are little tweaks we can make to save money on gas by burning less of it. Here are nine tips for your car, your driving, and your lifestyle to save some cash at the pumps and Read More...
Singapore’s Seletar airport considers plans for electric flying taxis
Seletar Airport is the city-state of Singapore’s lesser known second airport. It’s a small airfield normally frequented only by private jets, but soon it could be known for the future of sky travel. Singapore has recently signed agreements that would make Seletar into a vertiport, where Read More...
"Sand batteries" could solve the energy storage challenge
We’ve previously written about how water batteries could help address the energy storage challenge facing the green energy transition. In Finland, however, some scientists are working on a much dryer power storage facility — a ‘sand battery’. Solving the energy storage Read More...
Bacteria-based biofuel offers higher energy density than jet fuel
At a time when the need to replace fossil fuels is urgent, it is amazing to see the results of human innovation and creativity to meet the challenge. Researchers at Berkeley Lab are working on a new producer of biofuel that produces a material that boasts an energy density far higher than jet Read More...
Switzerland built a huge water battery to store surplus energy
Switzerland is famous for hosting a number of scientific and engineering marvels, such as the Large Hadron Collider. Now, engineers in Switzerland have achieved an incredible feat — building the world’s largest water battery. Located in the Swiss Alps, in a subterranean cavern in the Canton of Read More...