Topic: sustainability

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Explore wastewater treatment with LeVar Burton & Reading Rainbow

How do we use technology to turn human waste into water that we can drink? This Reading Rainbow field trip is an excellent introduction to how we use bacteria, solar power, oxygen, gravity, chlorine, and more to reuse...

Driving on Air: Inventor Raul Oaida and his LEGO car

From The Adaptors, Flora Lichtman talks with 21 year old Romanian inventor Raul Oaida, who has built a jet-engine bike, a tiny spaceship, and a 500,000 brick LEGO car that is powered by air. How does it work? "We h...

A waterless & chemical-free sound wave fire extinguisher

Using low-frequency sound waves to put out flames, this experimental fire extinguisher is the work of George Mason University engineering seniors Viet Tran and Seth Robertson. Watch as they Pump Up the Bass to Douse a...

Help your local honey bees: Plant a bee-friendly garden

Pollinators like the honey bee are a huge part of how our food grows, but recently, honey bee populations have been in decline due to what scientists believe might be a mix of pesticide and fungicide use, pathogens, p...

Turn human waste into drinking water – Janicki Omniprocessor

"The water tasted as good as any I’ve had out of a bottle. And having studied the engineering behind it, I would happily drink it every day. It’s that safe." This huge, potentially game-changing machine, invented ...

Wangari Maathai: “I will be a hummingbird”

The Story of the Hummingbird, as told by celebrated Kenyan environmental activist, women's rights advocate, and 2004 Nobel Peace Prize Laureate Professor Wangari Maathai in this clip from Dirt! The Movie: We are co...

The Economist on entomophagy: Why eating insects makes sense

Healthier to eat, less expensive to produce, and more sustainable than traditional livestock, insects are a popular recommendation as a global food supply solution. Around two billion people eat bugs as a snack or as ...

Breakfast with a Cassowary

What's it like to live in a tropical rainforest? In this Wild Diaries travel video, Sue Gregory explains her connection with the native wildlife and the boundless plant growth that envelops Cassowary House, her family...

Where Does New York City’s Trash Go?

We recently got a glimpse of the work inside of one of the largest sanitation departments in the world, but this The New York Times report on NYC's trash is much more in depth: If you're going to have this many pe...

AsapSCIENCE: Paper Towel vs Hand Dryers

Washing your hands properly with soap and water successfully rids your hands of nearly all traces of bacteria. After the soap and water, drying your hands with a hand dryer is most efficient. You can help prevent ...

Fourth graders create a solar powered classroom

When Aaron Sebens started talking about renewable energy with his fourth grade class, they kept coming back to their excitement about solar power and making it a more hands-on learning experience. How might they move ...

Sixteen year old Elif Bilgin turned banana peels into a bioplastic

After two years of research, experiments, and failed trials, 16-year-old Elif Bilgin developed a new process for turning banana peels into a non-decaying bioplastic, a more eco-friendly alternative to petroleum-based ...

Vermicomposting: How worms can reduce our waste

One third of food made in the world each year ends up in the trash can. How can we stop the waste by putting that food to good use? From TED Ed, learn how worms can naturally convert our organic waste — green leaves, ...

The Goat Brigade: Preventing Wildfires in Southern California

Goats have an insatiable appetite. Elite goats have an insatiable appetite and are independent, hearty, and trained to clear brush across California's hillsides. Science Friday joins Ian Newsam, owner of Brush Goats 4...

Reading Rainbow: How Trash Is Recycled

Refuse, reduce, reuse, recycle, and Reading Rainbow: LeVar Burton takes us into the incredible lifecycle of our reusable trash in How Trash Is Recycled. Bonus: massive sorting machines!

Making paper from elephant dung: Poo Paper

Elephant dung is ideal for making paper, and Indonesia's Taman Safari Park is demonstrating this fact by upcycling a daily total of 2.5 tons – yes, that's 2.5 tons of Sumatran Elephant dung every day – t...

Every Last Drop: How to Save Water

From Nice and Serious and the scroll-worthy storytelling of Every Last Drop, this UK-made primer is excellent for reminding everyone to save water, especially those of us who live in drought-affected areas...

Who grows the cocoa in your chocolate bar?

Creative studio Nice and Serious collaborated with the Rainforest Alliance and Adrien Koffi Kouadio, “a cocoa farmer, family man, a community leader and football lover” in the vil...

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