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    Drone captures images of ice cave caused by climate change in Switzerland

    01:10
  • How the elite U.S. Forest Service hotshots battle wildfires (Part 1)

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  • How the elite U.S. Forest Service hotshots battle wildfires (Part 2)

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  • Climate change in Guatemala: Between starvation and migration (Part 1)

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  • Climate change in Guatemala: Between starvation and migration (Part 2)

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  • Kentucky governor: 'Miracle' more people weren't killed in candle factory destruction

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  • Paddleboarders spot giant ocean sunfish off California coast

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  • 'It's heartbreaking:' Survivors speak about tornadoes, destruction caused by storms

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  • Atlanta girl becomes youngest USDA certified farmer in Georgia

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  • Viscose rayon is billed as an eco-friendly fabric. Critics say production can be harmful to rainforests.

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  • McDonald’s opens first zero-carbon restaurant in United Kingdom

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  • How Norilsk, Russia, became one of the most polluted places on Earth

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  • Tropical rainforests are regrowing in Puerto Rico

    04:03
  • At least one dead, dozens injured after volcano erupts in Indonesia

    00:56
  • New report reveals California as biggest consumer of oil drilled from Ecuador

    07:51
  • Scientists study spectacular Great Barrier Reef spawning

    01:02
  • Oil companies to bid on newly released federal Gulf leases

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  • Climate conference talks in overtime with key issues at stake

    02:12
  • How the U.S. and China plan to 'strengthen and accelerate climate action and cooperation’

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  • How cryptocurrency mining impacts the environment

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Thousands unaccounted for in Colo. floods

03:06

After a week of heavy rain, the damage and destruction in 15 Colorado counties has reached historic levels, with 5 confirmed dead, more than 1200 people unaccounted for and nearly 19,000 homes damaged or destroyed. NBC’s Miguel Almaguer reports.