- http://www.seas.columbia.edu/earth/lacknerCV.html
- http://www.physorg.com/news96732819.htmlPhysOrg news: First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved
- http://gliving.tv/technology-science/wp-content/uploads/2007/04/carbontrees.jpg
- http://www.earthinstitute.columbia.edu/sections/view/9
PhysOrg news: First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved










