April 22 marks the arrival of Earth Day. To celebrate, please enjoy these programs that explore our planet’s natural wonders and its inhabitants, as well as the efforts to preserve and protect its most vulnerable ecosystems.

Nature: The Hummingbird Effect 
Discover how tiny Hummingbirds play an outsized role in maintaining some of the richest and wildest environments on Earth, including Costa Rica’s volcanic peaks and cloud forests.
KET Wednesday, April 12 • 8/7 pm
KET2 Saturday, April 15 • 6/5 pm

NOVA: Weathering the Future  
Examine how our changing climate impacts different regions, highlighting the challenges facing Americans of different ethnic and economic backgrounds.
KET Wednesday, April 12 • 9/8 pm
KET2 Sunday, April 16 • 7/6 pm

Bears of Durango    
After reports of bears breaking into homes and cars, wildlife researchers conduct a study on black bears in Colorado, examining how people can better cohabitate with the wildlife around them.
KET Wednesday, April 12 • 10/9 pm

Nature: Niagara Falls 
An Emmy Award-winning filmmaker records this geological wonder over a year, documenting its stunning beauty and the wildlife that calls it home.  
KET Wednesday, April 19 • 8/7 pm
KET2 Saturday, April 22 • 6/5 pm

Changing Planet
Learn about six of our planet’s most vulnerable ecosystems and meet the scientists fighting to safeguard their communities and wildlife.
KET Wednesdays, beginning April 19 • 10/9 pm

Nature: The Secret Crown
In 2013, a Guatemalan fisherman discovered a coral reef – five times the size of Manhattan and teeming with life – that no one knew existed. The discovery is part of an even bigger story about the battle to save coral reefs all over the world.
KET Wednesday, April 26 • 8/7 pm
KET2 Saturday, April 29 • 6/5 pm

NOVA: Chasing Carbon Zero
The US recently set an ambitious climate change goal: To achieve 100 percent zero carbon pollution by 2035. But is that feasible? What exactly would it take? Zero Carbon takes a hard look at the problem and identifies the most likely real-world technologies that could be up to the task.
KET Wednesday, April 26 • 9/8 pm
KET2 Sunday, April 30 • 7/6 pm

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