Season 21

Across lines of race and ethnicity, alliances formed among Chicago activists in the '60s.
The First Rainbow Coalition

Were the 739 deaths from Chicago's 1995 heatwave a one-time tragedy or appalling trend?
Cooked: Survival by Zip Code

Ordinary New Yorkers share their anxieties about the future while bracing for record heat.
The Hottest August

Decade of Fire covers the shocking story of when the South Bronx was on fire in the '70s.