Israel came top of the 2014 Global Cleantech Innovation Index of The Cleantech Group and World Wildlife Fund. It stated Israel “generates the culture, education and ‘chutzpah’ necessary to breed innovation, plus it has the survival instincts to manage a resource-constrained geography.”
http://israelnewtech.com/2014/07/israel-best-place-planet-clean-tech-entrepreneurs-according-cleantech-group-wwf/
http://awsassets.panda.org/downloads/cleantechrepsm.pdf