An award-winning independent think tank for sustainable solutions. Focused on climate, resources & economies. Get the latest #sustdev news: https://t.co/ypa68ysV4K The International Institute for Sustainable Development (IISD) is an independent think tank championing sustainable solutions to 21st century problems. Our mission is to promote human development and environmental sustainability. Our big-picture view allows us to address the root causes of some of the greatest challenges facing our planet today—ecological destruction, social exclusion, unfair laws and economic rules, a changing climate. Through research, analysis and knowledge sharing, we identify and champion sustainable solutions that make a difference. We report on international negotiations, conduct rigorous research, and engage citizens, businesses and policy-makers on the shared goal of developing sustainably.