The Science of Sustainability

Tag: pbs

Science on the SPOT: Journey of the San Francisco Bay Trail

Science on the SPOT: Journey of the San Francisco Bay Trail

A dedicated group of outdoor lovers and trail planners is working to build a 500-mile trail around San Francisco Bay. Come along as QUEST hikes and bikes the newest section.

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Dawn: Mission to Explore Strange New Worlds

Dawn: Mission to Explore Strange New Worlds

We are soon to explore a new world, one that we haven't seen up close before: the asteroid Vesta. What will we find, and why are we even interested in what amounts to a mega-mountain of rock hurtling through space?

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QUEST Lab: Properties of Plastic

QUEST Lab: Properties of Plastic

Exploratorium Staff Scientist Julie Yu changes and manipulates the physical and chemical properties of plastic bottles by exposing them to heat. This is how plastic bags and bottles can be recycled and used over and over again.

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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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The Science & Art of Cheese

The Science & Art of Cheese

Cheese. It comes in more than 2,000 varieties — hard, soft, fresh and aged – and it's been with us for thousands of years. Take a journey to Cowgirl Creamery in West Marin to learn how artisan cheese is made and how scientists are putting cheese under the microscope to gain new insights about this incredible, edible food.

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Web Extra: The Terroir of Cheese

Web Extra: The Terroir of Cheese

Watch this QUEST web extra to learn how "terroir" – or the characteristics of a specific region such as its climate, soil and topography – indelibly influences the production of award-winning, artisan cheese.

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Field Notes: Brian Fisher in Madagascar

Field Notes: Brian Fisher in Madagascar

Entomologist Brian Fisher braves raging rivers, and dense tropical forests as he travels the world searching for new species of ants before they are lost to habitat destruction. Experience a slice of Fisher's life and work through video footage from his field work with ants in Madagascar.

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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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Bat Flight a Mechanical Marvel

Watch stunning videos of bats in mid flight that are helping Brown University scientists understand how these mammals fly.

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Earth to ET: I'm Not Listening!

Earth to ET: I'm Not Listening!

SETI's Allen Telescope Array is placed in hibernation due to funding cuts, putting the search for extraterrestrial intelligence on hold.

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Geothermal Heats Up

Geothermal Heats Up

Solar and wind power may get the headlines when it comes to renewable energy. But another type of clean power is heating up in the hills just north of Sonoma wine country. The Geysers, the world's largest power-producing geothermal field, has been providing electricity for roughly 850,000 Northern California households, and is set to expand even further.

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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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Searching for Life on Mars

Searching for Life on Mars

After multiple unmanned missions to Mars, we still don't know if life has ever existed there. NASA scientists are hoping a new high-tech rover will help them solve the mystery. The Mars Science Laboratory is scheduled for launch in late 2011 and will search for any evidence that the Red Planet was once capable of supporting life.

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Into the Deep with Elephant Seals

Into the Deep with Elephant Seals

Thousands of northern elephant seals — some weighing up to 4,500 pounds — make an annual migration to breed each winter at Año Nuevo State Reserve, on the San Mateo County coast. Marine biologists are using high-tech tools to explore the secrets of these amazing creatures, which can hold their breath for an hour and dive a mile below the surface.

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Science on the SPOT: Secrets of Sourdough

Science on the SPOT: Secrets of Sourdough

What is true sourdough bread? It's more than just the tangy flavor. Science on the SPOT visits with Maria Marco of UC Davis and baker Eduardo Morrell to learn more about the secret science of sourdough.

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The Science of Snow

The Science of Snow

It's been a harsh winter across the US. Snow has blanketed the Sierra Nevada, where the snowpack is well above normal. Lots of snow means good skiing, but it also means an increased danger of avalanches. Lauren Sommer travels to Lake Tahoe where researchers are trying to understand the inner workings of snow a little bit better.

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Producer's Notes: Science on the SPOT – Falcons Up Close

Producer's Notes: Science on the SPOT – Falcons Up Close

QUEST's web-only video series, Science on the SPOT, takes a close-up look at the Peregrine Falcon.

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15 Months Later, Rediscovered San Francisco Plant Thrives

15 Months Later, Rediscovered San Francisco Plant Thrives

Fifteen months after a native plant thought to be extinct was rediscovered in San Francisco, local botanists have succeeded in growing it and are making plans to plant it out in the wild.

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Science on the SPOT: Restoring San Francisco's Lost Manzanita

Science on the SPOT: Restoring San Francisco's Lost Manzanita

QUEST explores how the San Francisco Botanical Garden is toiling to bring one of the city's rarest native plants, the Franciscana manzanita, back from the brink of extinction.

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