Imperial County officials have declared a state of emergency for the Salton Sea, which has become surrounded by dust. Residents are concerned about air pollution coming from the dust. And, a new study finds climate change is making weather events like El Nino stronger. Plus, a Utah community celebrates the removal of toxic materials from the Colorado river. The military is testing a new drone detecting system throughout the week in San Diego. And, a scientist is racing against the clock to save her husband who is dying from a superbug.