The Ocean Cleanup
This idea is already very criticized.<p>French article about it: <a href="http://rue89.nouvelobs.com/2014/06/19/boyan-slat-machine-a-nettoyer-les-oceans-faut-rever-253027" rel="nofollow">http://rue89.nouvelobs.com/2014/06/19/boyan-slat-machine-a-n...</a>