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    Mauna Loa, world's largest volcano, erupts for first time in nearly 40 years

    00:20
  • Greta Thunberg joins hundreds of climate activists for march in Stockholm

    01:06
  • India's capital grapples with recurring disruptive smog with no remedy in sight

    00:55
  • Climate change activists demand human rights justice at COP27

    00:55
  • Climate change activists glue themselves to dinosaur exhibit at Berlin museum

    01:01
  • Watch: Climate activists throw mashed potatoes at Monet painting

    01:05
  • Drought-starved Mississippi River hits level not seen since 2004

    01:43
  • Seattle air quality ranked world's worst as wildfires burn nearby

    01:42
  • Watch: Climate activists cover Van Gogh’s priceless sunflowers in soup

    01:22
  • How Florida's mangroves help fight climate change, extreme weather

    04:07
  • As energy costs soar, are solar panels the right fit for your family?

    03:35
  • Paradise Lost: Paradise Lost: The Weight of Gold

    27:26
  • Heat threats may start being categorized similar to hurricanes

    01:42
  • Environmental activists targeted for attempting to stop illegal gold mining in Peru

    07:56
  • How the adorable Atlantic puffin came back from near extinction (Part 1)

    02:46
  • How the adorable Atlantic puffin came back from near extinction (Part 2)

    02:41
  • Engineers use nature and technology to storm proof air force bases

    04:14
  • Inflation Reduction Act: Who qualifies for tax credits and rebates

    06:45
  • Amazon rainforest severely impacted by gold mining

    04:30
  • Officials: Earthquake near Mexico City leaves two dead, nine injured

    02:17

Alabama lab monitoring radiation threat from Japan

01:34

The National Air and Radiation Laboratory in Montgomery, Ala. analyzes data from the Environmental Protection Agency's 124 radiation monitors across the country. Despite the nuclear crisis in Japan, lab director Ronald Fraass says "there is no cause for alarm" in the US.