The Science of Sustainability

Joshua Cassidy

Joshua Cassidy

Joshua is a Multimedia Producer for KQED Science and the Lead Producer for Deep Look. After receiving his BS in Wildlife Biology from Ohio University, he went on to participate in marine mammal research for NOAA, USGS and the Intersea Foundation. He also served as the president of The Pacific Cetacean Group, a nonprofit organization dedicated to teaching students K-6 about whales. Josh studied science and natural history filmmaking at San Francisco State University and Montana State University.

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Joshua Cassidy's Latest Posts

Science on the SPOT: Shadows and Spiders– A Secret Cave in California

Science on the SPOT: Shadows and Spiders– A Secret Cave in California

The rural foothills along the Santa Cruz County Coast hold an ancient secret. Deep below the redwoods, White Moon Cave extends for nearly a mile — making it one of the longest caves in California. But few people have ever been in it. Join the KQED Science team as we squeeze through the narrow clandestine entrance, and meet the uncanny cave inhabitants to bring new light to this hidden realm.

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Science on the SPOT: Up all Night with SOFIA, NASA's Flying Observatory

Science on the SPOT: Up all Night with SOFIA, NASA's Flying Observatory

SOFIA is more than a telescope tucked into a re-purposed commercial airliner. It's a complete flying astronomical observation platform which carries a dozen or more astronomers, observers and crew far above the clouds to observe objects and phenomena too cold to be seen in visible light.

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Diversity in the Valley: The NewME Accelerator (Part One)

Diversity in the Valley: The NewME Accelerator (Part One)

If you look around Silicon Valley, ideas all seem to be coming from the same kind of people. By a recent estimate, one percent of technology entrepreneurs were African American. Only eight percent of companies were founded by women. One program aims to change this by encouraging more women and minorities to launch companies.

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What is California’s Delta?

What is California’s Delta?

If you’re like most Californians, you’ve probably never heard of the Delta or why it’s important to the state’s economy and wildlife. In three minutes, we’ll explain how the Delta is a key part of California’s water supply and why it’s been the focus of a decades-long water battle.

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Science on the SPOT: Monarch Meetup

Science on the SPOT: Monarch Meetup

Monarch butterflies migrate from all over the western United States to overwinter along the California coast. Conservation Biologist Stu Weiss uses specialized photographic equipment to study what makes good monarch overwintering habitat.

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One Fish Two Fish: Monitoring Marine Protected Areas

One Fish Two Fish: Monitoring Marine Protected Areas

QUEST takes to the high seas with researchers Dirk Rosen, James Lindholm and their crew to study the underwater world off the California coast. In recent years, the state has established a network of marine protected areas to help fragile habitats and struggling fish populations bounce back. But are they working?

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Airborne Wind Energy

Airborne Wind Energy

On the windswept tarmac of the former Alameda Naval Air Station, an inventive group of scientists and engineers are test-flying a kite-like tethered wing that may someday help revolutionize clean-energy. QUEST explores the potential of wind energy and new airborne wind turbines designed to harness the stronger and more consistent winds found at higher altitudes.

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Sidelined: Sports Concussions

Sidelined: Sports Concussions

Studying the effects of a concussion at its source, inside the brain, is no easy feat. Says Dr. Geoffrey Manley, Chief of Neurosurgery at San Francisco General Hospital, "What we’re dealing with is one of the most complicated injuries in the most complicated organ in the body."

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Your Photos on QUEST: Bryant Austin

Your Photos on QUEST: Bryant Austin

Scotts Valley photographer Bryant Austin swims eye-to-eye with the world's largest animals in order to bring attention to the plight of these intelligent ocean denizens.

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Redwoods and Climate Change

Redwoods and Climate Change

QUEST follows a group of UC Berkeley scientists to the top of a 320-foot redwood in Mendocino County. Only 5 percent of these ancient redwoods survived our voracious desire for their hardy and plentiful wood. Now scientists are trying to predict how the remaining ones and their descendants might fare in the face of climate change in the decades to come.

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Your Photos on QUEST: Steven Christenson

Your Photos on QUEST: Steven Christenson

Most nature photographers put their cameras away at night. Not Steven Christenson. As the co-founder of the very successful Bay Area Night Photography group, he guides like-minded, low-light photographers to find interesting subjects after the sun goes down. Steven reveals his special process of photographing star trails for Your Photos on QUEST.

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Bats In Our Midst

Bats In Our Midst

QUEST ventures under a Central Valley bridge to count the bats that make it their home. The bridge is one of the most important roosting places for Mexican free-tailed bats in the Central Valley, where this voracious insect-eating species protects the local crops from pests. Then meet two volunteers who take injured bats into their homes and nurse them to health.

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Your Videos on QUEST: Joshua Cassidy

Your Videos on QUEST: Joshua Cassidy

In his debut film, Life by the Tide, San Francisco filmmaker Joshua Cassidy takes an intimate look into the tide pools at the Fitzgerald Marine Reserve in Moss Beach, CA. Your Videos on QUEST features an excerpt of Cassidy's film.

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Producer's Notes: Your Videos on QUEST – Joshua Cassidy

Producer's Notes: Your Videos on QUEST – Joshua Cassidy

Fitzgerald Marine Reserve is a place where you can leave city life behind and experience an ephemeral world that is only available to humans when the gravitational pull of the moon and sun create a low tide.

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Science on the SPOT: Fire and Butterflies

Science on the SPOT: Fire and Butterflies

Can fire save the endangered Mission Blue Butterfly? The Golden Gate National Recreation Area experiments with using controlled burns to improve habitat for this critically imperiled Bay Area native.

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Producer's Notes for  Science on the SPOT: Fire and Butterflies

Producer's Notes for Science on the SPOT: Fire and Butterflies

On a glorious sunny August morning I found myself in a parking lot in the Marin headlands attending in a pre-burn fire crew meeting.

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Exploring Big Break Regional Shoreline

Exploring Big Break Regional Shoreline

Big Break Regional Shoreline is a part of the great 1,680-square-mile San Francisco/San Joaquin Delta. This "Inland Coast" is home to 70 species of birds, and provides valuable habitat for beavers, muskrats, and river otters.

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