How Have Humans Changed the World? | BBC Earth Science

The spectacular story of how we have redesigned our planet to build the modern world. Dallas Campbell explores our most ambitious creations, joining the people who have made the impossible, possible. Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx