Business & Technology
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in on itExxon knew — and so did coal
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mirror mirror on the groundThis company wants to make steel and cement with solar power. Here’s how.
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concrete jungleCement has a carbon problem. Here are some concrete solutions.
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IF IT'S BROKE ...Could letting consumers fix their iPhones help save the planet?
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power to the peopleCalifornia Representative Ro Khanna wants a public takeover of PG&E
