Fingernail-sized mollusks are spreading through U.S. rivers, lakes and bays, clogging water supply pipes and altering food webs.
Colorado, New Mexico, Utah and Wyoming may face requests for voluntary cutbacks in their use of Colorado River water next year.
Climate change and warming temperatures are exacerbating heavy rainfall and flooding events.
A new study shows that sedimentation from the Colorado River means that Lake Powell's storage capacity is lower than previously believed.
Robert Glennon, professor at the Univeristy of Arizona, proposes a two-pronged approach to help agriculture and the water shortage.
Colorado River Basin states have 60 days to come up with a water reduction plan.
Seven states in the West have been given until August 15th to implement new strategies and tools to conserve the Colorado River.
As competition for water increases, the way hydropower is managed within regions and across the power grid in the U.S. will have to evolve.
Early involvement in negotiating new Colorado River guidelines will be critical for tribes to determine their future.
A rapidly warming climate has put the American West in a brutal drought with a hotter and thirstier atmosphere.