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    At least 11,000 evacuated after Indonesia volcano erupts

    00:39
  • Conservative environmentalist discusses the politics of climate change

    05:54
  • EPA requires municipalities to remove 'forever chemicals' from water systems

    01:00
  • EPA announces new rules targeting 'forever chemicals'

    02:57
  • Environmentalists warn of threat to famed Okefenokee Swamp

    02:39
  • USGS expert explains how geology of Northeast affects intensity of earthquakes

    02:55
  • New York governor addresses earthquake, says no damaged buildings reported

    09:50
  • WATCH: Video shows the moment earthquake struck New Jersey

    00:39
  • Unfazed Long Island electrician says 'back to work' after experiencing earthquake

    02:10
  • NYC subway rider describes earthquake tremors: 'It was very scary'

    03:33
  • Earthquake centered in New Jersey rattles the East Coast

    03:54
  • Watch: Videos show effects of earthquake across Taiwan

    01:26
  • Whale hello there: Coast Guard launches program to protect endangered whales

    05:20
  • 25-year-old becomes first to circumnavigate the globe in electric car

    02:46
  • New program tracks endangered whales and warns ships near them

    02:23
  • Scientists in Utah discover new species of roundworms

    05:18
  • 'It was getting hard to breathe'; Texas couple recalls massive wildfire

    03:46
  • Study finds sewage, pollution from Mexican river poses health risk to Americans

    02:54
  • Videos show downed trees and damage after strong California storms

    01:00
  • Inside the U.S. Coast Guard mission to stop overfishing

    04:20

California Wildfires Threaten Reagan Library in Simi Valley

04:24

With wildfires raging across the state of California, the 'Easy Fire' sparked this morning in Simi Valley now threatens the Ronald Reagan Presidential Library. NBC's Miguel Almaguer reports from the ground, and Simi Valley Chief of Police David Livingstone joins Andrea Mitchell over the phone.