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Saltwater Brewery was a regular microbrewery that made great craft beer - packaged with the usual plastic six pack rings. As fishermen who saw firsthand the amount of plastic pollution in the ocean, though, they felt they needed to make a change to help marine animals. They came up with the idea to create edible six pack rings made of biodegradable materials left over from the brewing process. Now, they’ve created a new company, E6PR, to sell their “Eco Six Pack Rings” to other companies like Corona that want to help clean up the oceans and improve their sustainability.

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Our Changing Planet
Preparing for Climate Change
Preparing for Climate Change
Our Changing Planet
Preparing for Climate Change
Climate change is increasingly reshaping our world, but communities across America aren’t losing hope — they’re taking action. Learn how 18 communities are using science to guide community-based decision-making.

Climate change is increasingly reshaping our world, but communities across America aren’t losing hope — they’re taking action. Learn how 18 communities are using science to guide community-based decision-making.

Future of Cities
Merging Nature and Sustainable Design: An Interview with Daan Roosegaarde
Daan Roosegaarde is a Dutch architect on a mission to create a more efficient and beautiful world through innovative, sustainable design.
Future of Cities
Merging Nature and Sustainable Design: An Interview with Daan Roosegaarde
From towers that create pockets of clean air to a luminescent bike path that glows like children's ceiling stars, Daan Roosegaarde's entire practice is centered around the beauty of living with nature and removing pollution from urban life.

From towers that create pockets of clean air to a luminescent bike path that glows like children's ceiling stars and windmills drawing lines of light across the sky, Daan Roosegaarde's entire practice is centered around the beauty of living with nature and removing pollution from urban life.

Teaching Engineering with Dirt Bikes
Teaching Engineering with Dirt Bikes
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Teaching Engineering with Dirt Bikes
This teacher is using dirt bikes to help Baltimore's kids learn STEM.
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Baltimore’s kids are obsessed with dirt bikes. Some people think that's a problem, but teacher Brittany Young is using dirt bikes to get kids into engineering and STEM education. Her organization, B-360 Baltimore, aims to use dirt bike culture to help end the cycle of poverty, disrupt the prison pipeline, and bring together communities — while giving dirt bikes a better reputation. Dirt bikes are a controversial issue in...

Challengers
Five Insights: Ryan Petersen on Tackling Problems That Feel Too Big to Fix
Five Insights: Ryan Petersen on Tackling Problems That Feel Too Big to Fix
Challengers
Five Insights: Ryan Petersen on Tackling Problems That Feel Too Big to Fix
Flexport's founder discusses the personal and business side of building an ambitious startup.
By Mike Riggs

Flexport's founder discusses the personal and business side of building an ambitious startup.

Challengers
Four Crazy Ideas From the Golden Age of Nuclear
Four Crazy Ideas From the Golden Age of Nuclear
Challengers
Four Crazy Ideas From the Golden Age of Nuclear
For a couple decades people thought nuclear power was the answer to pretty much everything. And they came up with...
By Mike Riggs

For a couple decades people thought nuclear power was the answer to pretty much everything. And they came up with some ideas we’ll generously call visionary.

Challengers
Can This Startup Power the World With Nuclear?
Can This Startup Power the World With Nuclear?
Challengers
Can This Startup Power the World With Nuclear?
Leslie Dewan and her team at Transatomic believe they've figured out a safe, scalable, cost-effective way to power...
By Mike Riggs

Leslie Dewan and her team at Transatomic believe they've figured out a safe, scalable, cost-effective way to power the world with nuclear.

Challengers
You Should Start Learning About Artificial Intelligence. Here's How.
You Should Start Learning About Artificial Intelligence. Here's How.
Challengers
You Should Start Learning About Artificial Intelligence. Here's How.
There are a lot of different levels of artificial intelligence being applied in a lot of different ways. Here's a...
By Mike Riggs

There are a lot of different levels of artificial intelligence being applied in a lot of different ways. Here's a primer for starting to wrap your head around it all.

Challengers
An App for Global Trade
An App for Global Trade
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Challengers
An App for Global Trade
Flexport thinks bringing trade into the 21st century could improve lives around the globe.
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Flexport believes that nothing helps people improve their lives more than the ability to trade with one another. And, yet international shipping is still way too cumbersome. So Flexport built an in app to make it easier. If Flexport succeeds, nearly everything you buy will cost less.