Fish nursery. Bird sanctuary. Storm surge blocker. Maryland’s Blackwater Marsh Wildlife Refuge is all those things and more. And it could be completely underwater by the end of this century. A team of ecologists and climate experts is determined to find and conserve migration corridors for the critical wetland ecosystem.

Since we last covered the California drought, conditions in the state have stayed, well, dry—very dry. Statewide, total precipitation is about equal to or below the lowest three-year period since 1895.

Earth’s hottest periods occurred before humans existed. Those ancient climates would have been like nothing our species has ever seen.

Jacqueline Kozak Thiel, Hawaii's State Sustainability Coordinator, talks about the state's unique sustainability challenges and how the island chain is planning for climate change.

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