visto da Tullio Pascoli
THE IMPROVING THE STATE OF THE WORLD https://www.goodreads.com/book/show/409789.The_Improving_State_of_the_World?from_search=true&from_srp=true&qid=3IUMpD774B&rank=1
THE PRECAUTIONARY PRINCIPLE https://www.goodreads.com/book/show/2112096.The_Precautionary_Principle
HUMANITY UNBOUND https://www.goodreads.com/book/show/21269542-humanity-unbound
CLEARING THE AIR: THE REAL STORY OF THE WAR AGAINST AIR POLLUTION http://www.amazon.com/Clearing-Air-Real-Story-Pollution/dp/1882577825/ref=ntt_at_ep_dpt_3
NATÜRLICHE VERBÜNDETE (Christian Hoffmann; Pierre Bessard; Michael Miersch; Edgar Gärtner; Rahim Taghizadegan) Steffen Hentrich; Fred Smith; Terry Anderson; Detmar Doering; Robert Nef) https://www.amazon.de/Natürliche-Verbündete-Marktwirtschaft-Christian-Hoffmann/dp/3033017959/ref=sr_1_7?s=books&ie=UTF8&qid=1475326430&sr=1-7