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Terraton sees promise in biochar, but the technology has struggled to scale. The startup thinks a franchise model could be what unlocks biochar’s potential.

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Introducing: the Security issue It would be naïve to think we are going back to a world without AI. We’re not. But it’s only one of many urgent problems we need to address…

When Jitender was a child in New Delhi, both his parents worked as manual scavengers—a job that involved clearing the city’s sewers of solid waste by hand. Now, he is among almost 200 contractors involved in the Delhi government’s effort to shift from this manual process to safer mechanical methods. Although it has been outlawed…