It's like a canary in a mine shaft. If something is toxic in the drinking water, the bugs will start to die.

After 9/11, we learned the EPA was looking for innovative ways to protect drinking water.

Hydraulic fracturing requires massive amounts of water. Disposing of the toxic wastewater, as well as accidental spills, can contaminate drinking water and harm human health.

If I had a mine shaft, I don't think I would just abandon it. There's got to be a better way.

The problem with cold-water rescue is that most aren't successful.

Wherever we can find water we can produce oxygen, fuel and drinking water.