We have to use our reasoning capacity and set long-term goals based on our deepest values.

Sri Chinmoy was a once in a lifetime spiritual leader who touched the lives of millions of people through his teachings, art, athletics, and music. He was a student of peace and he embodied peace. Sri Chinmoy was a great man and his life's work significantly helped to build world harmony and will continue to do so.

The entire North Polar ice cap is disappearing before our very eyes. It's been the size of the continental United States for the last 3 million years and now 40 percent is gone and the rest of it is going.

I decided to pick the diet that I thought would maximize my chances of long-term survival.

You can push your local communities to adopt more sustainable sources of energy and environmentally-friendly practices.

Making consumer choices that reward eco-friendly products and companies is a great way to start.

Earlier in this century, the Heisenberg Principle established that the very act of observing a natural phenomenon can change what is being observed. Although the initial theory was limited in practice to special cases in subatomic physics, the philosophical implications were and are staggering.