"Deep in our hearts, we all want to leave a better world for our children and we cherish the hope that we may experience this for ourselves in our own lifetime. However, there is growing concern that many of the challenges we now face are unrelenting and more and more people question our ability to address them effectively. Indeed, despite some breakthroughs and the valiant efforts in the public and private sectors, the challenges to our planet and society are growing both in scope and severity with each passing decade."