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Earth Focus
How Purple Sea Urchins are Taking Over California's Coastal Waters
Certain circumstances in the ocean can lead to "urchin barrens," where urchins dominate the ocean floor and mow down kelp forests. And without kelp, abalone are left to starve. But while urchin barrens may seem like a win for the species, the imbalance eventually leaves them malnourished. A healthy balance of diverse species is essential to thriving near-shore ecosystems.
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26:30
Solar power is changing lives in unexpected places.
26:40
The realities of milk production are forcing dairy communities across the globe to rethink the dairy production process.
26:04
This episode explores lumber poaching in the forests of Brazil and Oregon, where citizens and scientists are working together to combat the illegal lumber trade.
24:40
The popular demand for avocados is having a devastating impact on a drought-stricken community in Chile.
25:52
This episode of "Earth Focus" examines how the worldwide demand for oil and gas is impacting the communities that supply it.
24:28
Los Angeles is one of the biggest biodiversity hotspots in the world, despite its smog, urban sprawl and snarling freeways.
25:44
Communities and innovators all over the world are creating new sustainable food sources that are resilient to climate change and growing populations.
25:44
Anticipating future water needs, two regions on opposite sides of the world turn to technology for answers.
25:26
Two cities, San Francisco and Freetown, brace for climate change using vastly different methodologies.
25:58
Droughts and floods are driving many people away from their rural, farming communities into big cities.
25:30
Forecasts are dire for Louisiana to experience the second-highest sea level rise in the world. How is the region adapting?
26:40
“Vanishing Coral” presents the personal story of scientists and naturalists who are working with local communities to protect coral reefs that are being destroyed by warming seas, pollution, and destructive fishing practices.