we’ll need to have a healthy public debate about how they’re regulated, packaged, and sold.

we get a breakthrough in cheap hydrogen, for example, we might not need to worry as much about…

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CGIAR isn’t just focused on new seeds. Its scientists have also created a smartphone app that allows farmers to use the camera on their phones to identify specific pests and diseases attacking cassava, an important cash crop in Africa. It’s also created programs for using drones and ground sensors to help farmers determine how much water and

in my experience most people don’t want to hear a lot about the differences between blast furnaces, puddling furnaces, and the Bessemer process.

Because many major cities are near the coast, we can generate electricity much closer to the places where it’ll be used and not run…

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One problem is that fossil fuels are so cheap. Because their prices don’t factor in the true cost of climate change—the economic damage they inflict by making the planet warmer—it’s harder for clean energy sources to compete with them. And

Others are working on something called flow batteries, which involve storing fluids in separate tanks and then generating electricity by pumping the fluids together. The bigger the tanks, the more energy you can store, and the bigger the battery, the more economical it…

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But DAC is a much bigger technical challenge than point capture, thanks to the low concentration of…

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the Seattle area, where I live, we get about twice as much sunlight on the longest day of the year as on the shortest day. Parts of Canada and Russia get about 12 times more.