All of Apple’s U.S. facilities — and 87% of its operations worldwide — are now powered by renewable energy, according to an annual report released this week.

In its Environmental Responsibility Report, Apple said that as of 2014 all of its U.S. data centers, corporate offices and more than 450 Apple Retail Stores around the world are running on renewables.

“But our goal is to power all of them with 100% renewable energy. So we’re tapping into energy from solar, wind, micro-hydro, biogas fuel cells, and geothermal sources,” the company said. “We’re designing new buildings and updating existing ones to use as little electricity as possible.”

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