When resources are degraded we start competing for them whether it is at the local level in Kenya where we had tribal clashes over land and water or at the global level where we are fighting over water oil and minerals. So one way to promote peace is to promote sustainable management and equitable distribution of resources.
Why do we have 47 million people without health care? Because America has become about 'me'. What's happened to 'we' as a people? I believe in that and that resonates to most people.