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.
Oregon wastewater facility makes its own power with human waste
Two weeks ago, we wrote a piece on upcycling your “business,” going into the green uses some companies found for human waste. Innovation and recycling mean looking everywhere possible for solutions, and The Optimist Daily loves writing about the ones that are found… even if they come out of Read More...
The James Dyson Award: a call to young inventors
The Optimist Daily has written about many winners of the James Dyson Award. This is an international design award that celebrates, encourages, and inspires the next generation of design engineers. It is open to current and recent design engineering students and is run by the James Dyson Foundation, Read More...
These battery-free sensors fly like dandelion seeds
Wireless sensors are a versatile technology used to measure all sorts of conditions, without the restraint of being attached to a stationary object the whole time. They have many applications such as in medicine - like this wireless sensor which monitors bone health - or in measuring environmental Read More...
How green hydrogen is taking off
Hydrogen is key to a major energy shift in our society. Many sectors of the economy and the power grid can decarbonize by switching to green hydrogen. The market for hydrogen is expected to grow to $2.5 trillion by 2050, and many industries, such as air travel, see the writing on the wall. Read More...
This is how we could clean our solar panels without water
The water footprint of solar power may rarely come to mind. It should because cleaning the dust off of photovoltaic panels requires hundreds of millions of gallons of water per year. In a bid to come up with a solution, MIT scientists have recently invented an alternative cleaning system that Read More...
To save money and gas, driving slower helps
Many of us take the speed limits on the side of the road as, well, more of a suggestion than a hard line never to cross. Whether on the highway or in midtown, many of us feel we’re losing time or just plain bored if we’re not in the fast lane. Gas prices are rising, though, and even when we Read More...
Italy approves 6 new wind farms to reduce reliance on Russian gas
Italy is determined to wean itself off of its dependence on Russian gas by giving the green light to construct six more wind farms with a capacity of 418 megawatts. According to a government statement, these new farms will be erected in the central and southern regions of Puglia, Basilica, and Read More...
China pledges to build large solar and wind farms in Gobi Desert
China is, by far, the biggest consumer of coal power in the world. While at the moment its energy consumption is 70 percent coal-based — other industrialized nations average around 30 percent, the United States being 25 percent — China apparently sees the value in switching to renewable Read More...
Peatlands, a boggy carbon sink absolutely worth saving
For those in the world who have to live with it, you may wonder “what on earth is peat good for?” Peatland is a mossy wet mass that you can’t build on, you can barely walk on, you can’t grow crops on it, and all its stagnant water is a breeding ground for mosquitoes which bring Read More...
What if you could power your home with your car?
One of the things we find reassuring about electric cars — besides the fact that they produce fewer emissions and don’t hurt our planet nearly as much — is the idea that we could charge one from our very own homes instead of having to drive to a gas station. What if it worked the other Read More...