Berttrand Piccard, créateur de l'avion solaire, a un message important ici:

http://blog.solarimpulse.com/post/132542926600/7-principles-for-solving-climate-change-with-clean-techn?utm_source=Supporters&utm_campaign=8e3b26f29a-Newsletter_124_EN11_16_2015&utm_medium=email&utm_term=0_1fe3c4e880-8e3b26f29a-206516053