- thinkup.org. ... Boris Johnson has proposed a 22-mile link across the Channel – a distance which sounds impressive, but which is exceeded by many existing bridges.
- 1.3bn people live without electricity. Let's change that. Education, Healthcare, Communities...
- To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/3.0/deed.en_US Credits Written and presented by: Prof John Burland, Imperial...