Weathered: Earth's Extremes

Exploring climate change tipping points from Florida to Alaska.

A visit to Isle de Jean Charles in Louisiana, one of the first communities in the U.S. to undergo a federally funded relocation due to climate change.

Heat in Portland, Ore.; exploring why some urban areas are hotter than others in Medellin, Colombia; a visit to Phoenix -- the hottest city in the U.S.

The growing extremes of droughts and floods and their impact on food and water; Tulare Lake's re-emergence after 150 years; agriculture's challenges; the depletion of groundwater; innovative farming practices that reduce emissions and conserve water.

Positive climate tipping points; a supercomputer in Cheyenne, Wyo., shows how climate systems are predicted and analyzed; a Michigan coal plant makes progress in the transition to renewables; climate challenges and vulnerabilities across the U.S.

Exploring the impacts of climate change on ocean currents in Florida; electrification; nature's role in achieving net-zero emissions.