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New Power Plant Turns Waste into Energy—and Doubles as a Ski Slope and Climbing Wall

New Power Plant Turns Waste into Energy—and Doubles as a Ski Slope and Climbing...

Denmark, with a landscape as flat as a pancake, might be a new whimsical destination for skiing, thanks to Copenhagen’s new power plant. That’s right. Last weekend in Copenhagen, an 8-year dream was realized when the first paying skiers took their runs down a one-third-mile course, wrapping around what is possibly the greenest power plant…
Can We Plant 20 Million Trees by 2020? The Math Says Yes

Can We Plant 20 Million Trees by 2020? The Math Says Yes

There's a lot of power in a rough estimate. If you’re trying to figure out whether something is worth doing, you could really go deep into the weeds trying to capture all the costs and benefits. But here’s the thing: Usually you don’t need an exact answer in order to make the right decision.For example,…
Trying to Plant a Trillion Trees Won’t Solve Anything

Trying to Plant a Trillion Trees Won’t Solve Anything

Only a monster would say no to this pitch: The best way to beat climate change—the warming of Earth caused by gases like carbon dioxide emitted by human industry, leading to rising sea levels, worsening fires and storms, drought, and disease—is simple. Plant a trillion trees. It’d be “one of the most effective carbon drawdowns…
Plant Silhouettes Foreshadow the Effects of Climate Change

Plant Silhouettes Foreshadow the Effects of Climate Change

Science can tell us a lot about climate change, like the fact that temperatures are rising, oceans are warming, and polar bears are dying. But it isn't the greatest at helping us process that information and the feelings it can provoke—from sadness to guilt to golly gee willikers we're toast.For that, former field biologist Deanna…

A home microhydro plant (2009)

My little paradise has a stream that provides enough water flow and head to run a small turbine, to provide electricity to my home. While writing this, the microhydro plant is being implemented, and here are some photos of the process. Since I usually like to start at the end, the first thing I built…

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All the important news from Apple’s iPhone 11 event

The iPhone 11, which is intended to be the successor to the iPhone XR, features the same display as last year's model. But it offers longer battery life, two new cameras and six entirely new colors. All three phones will feature an entirely new Bionic A13 chip, which means not only will they perform faster…

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