We are blessed with a place that is open to the universe and, despite this, supports this very thin envelope of air we call atmosphere, which holds just the right amount of oxygen for us to breathe.

When you think about the real cost of so-called cheap energy that has driven our prosperity to unprecedented levels, for some of us, to our horror, we've realized that this has the potential for burning brightly and then snuffing out.

We don't have to be that greedy generation that just continued to take down the underpinnings of what makes the planet work in our favor.

In the past few decades, Earth's natural systems have endured more pressure than in all preceding human history.

I personally have stopped eating seafood.

Meat reared on land matures relatively quickly, and it takes only a few pounds of plants to produce a pound of meat.

The end of commercial fishing is predicted long before the middle of the 21st century.