Up Next
Sen. Cortez Masto: Protecting the Outdoors is Nonpartisan
Video
0:37
Moapa Solar Plant Addressed Injustice, Economy and Energy
Video
5:07
Back to Show
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.
Support Provided By
25:36
South L.A. fights urban oil drilling as one former site becomes housing and green space.
27:34
Rising ocean noise threatens marine life as scientists study its impact off Catalina Island.
24:44
LA stadiums tackle climate impact with smart waste, water, and energy innovations.
26:16
Rising heat is causing communities to plant trees in their neighborhoods to cool off.
23:36
Endangered species and critical naval activities harmonize on San Clemente Island.
26:36
Upgrading outdated energy infrastructure in California to prevent power outages and wildfires.
26:40
Diablo Canyon ignites conversations about nuclear power in the state’s energy future.
26:40
Ravens threaten Mojave Desert tortoises, and solutions call on shifts in human behavior.
26:40
A transformed L.A. River is envisioned by the communities that live at its edge.
26:40
The L.A. River is reimagined through explorations of history, hydrology, and architecture.