Overheated water has been damaging the Great Barrier Reef. How could a special pipe created at the University of Arizona fix that?
The intersection of energy and national security
Is the United States relying too much on importing fossil fuels at the expense of national security? Retired Army Captain Brett Hunt and retired National Guard Lieutenant Colonel Joe Knott talked about ongoing efforts at the U.S. Department of Defense to use more renewable energy. It is part of helping facilities, including military bases, become more sustainable in case of a natural disaster or enemy attack.