Green Mountain is consuming data at an unprecedented pace: 3 billion Facebook videos viewed daily; 300 hours of video uploaded to YouTube every hour. In today’s data-driven world, the uptime of colocation data centers – vast banks of servers that process everything from online videos to financial assets – is essential. Delivering secure and reliable data center services can come at an environmental cost though: energy use in data centers today contributes to 2% of global CO2 emissions. They want one colocation facility, built in a former NATO bunker buried deep within a mountain, turn the tables and use the power of nature to become one of the world’s most reliable and sustainable data centers.