Just as human activity is upsetting Earth's carbon cycle, our actions are altering the water cycle.

Humans are an infant species, a mere 150,000 years old. But, armed with a massive brain, we've not only survived, we've used our wits to adapt to and flourish in habitats as varied as deserts, Arctic tundra, tropical rainforests, wetlands and high mountain ranges.

My earliest memory from childhood is of fishing with my father. And I remember vividly we were in a store, and we were buying a pup tent to go on our first camping trip.

The current economic system is fundamentally flawed and inevitably destructive.

It's time we stopped ignoring the environment. Let's not let another election go by without making this a high priority.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.

What about our children and grandchildren and their children and grandchildren? Do we not want them to live healthy and happy lives?