The country’s biggest potential water problem “is what we don’t know” about water and climate change, the University of Arizona’s Nobel Prize-winning climate scientist testified in Congress.
“We don’t know what lies underground . . . We don’t know how climate change will affect water resources,” said Prof. Jonathan Overpeck, director of the University of Arizona’s Institute for the Study of Planet Earth, in pushing hard for more federal support of research on the effects of climate change on water supplies and on possible solutions.