Tech for Change

From 3D-printed prostheses to burgers grown in science labs to smarter mobility for the elderly or infirm, tech improves our lives every day in a million ways beyond simply making things more convenient. Tech can have a meaningful impact — that’s why we call it Tech for Change. Here are the companies and people fighting to make a difference.

Earth has a food waste problem. Can giant, solar-powered refrigerators help?

ColdHubs are solar-powered rooms that extend the shelf life of produce. With the potential to greatly reduce food waste worldwide, many places in Africa are already reaping the benefits.
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Waiting in the wings: How drones are revolutionizing the battle against hunger

Can drones help save lives after a disaster? The World Food Programme, the food-assistance branch of the United Nations, certainly thinks so. And it's been working hard to show exactly how.
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