Facebook will be powered by 100% renewable energy by 2020, the company has promised.
In new goals published on Tuesday, Facebook also said it would cut its greenhouse gas emissions 75% over the same timeframe.
Tech giants like Facebook, Google, Amazon, and Apple, consume extraordinary quantities of electricity to power their global networks of data centres and infrastructure.
Facebook is determined to make its energy-guzzling data centres more environmentally friendly.
On Tuesday, the Silicon Valley tech giant announced that it has set itself a target of powering its operations with 100% renewable energy "by the end of 2020."
It's also publicly promising to cut its greenhouse gas emissions 75% over the same timeframe, using 2016 as a base year.