Grand Canyon News: Brad Udall, a water and climate research scientist at Colorado State University, said the river’s flow could decrease even further to 20 percent by 2050 and 35 percent by 2100.
linkGrand Canyon News: Brad Udall, a water and climate research scientist at Colorado State University, said the river’s flow could decrease even further to 20 percent by 2050 and 35 percent by 2100.
link