► Try the Financial Times for 4 weeks for just £1. Start your trial now - http://bit.ly/2ry7Tkz <br /> <br />FT environment correspondent Leslie Hook gets behind the scenes at Climeworks, a Swiss company with ambitions to remove one percent of annual global carbon dioxide emissions from the atmosphere by 2025 <br /> <br />► Subscribe to FT.com here: http://bit.ly/2GakujT <br /> <br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs <br /> <br />For more video content from the Financial Times, visit http://www.FT.com/video <br /> <br />Twitter https://twitter.com/ftvideo <br />Facebook https://www.facebook.com/financialtimes