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These Algae Farms Cover The Walls Of Buildings And Soak Up Carbon
Walls might be the next frontier for urban farming.

“Micro-organisms like algae are like bacteria—it’s one of those things that in our culture people try to get rid of,” Griffa says. “But algae offer incredible potential because of their very intense photosynthetic activity.” Algae take in carbon dioxide and produce oxygen while growing. Compared to a tree, micro-algae are about 150 to 200 times more efficient at sucking carbon out of the air.

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These Algae Farms Cover The Walls Of Buildings And Soak Up Carbon

Walls might be the next frontier for urban farming.

“Micro-organisms like algae are like bacteria—it’s one of those things that in our culture people try to get rid of,” Griffa says. “But algae offer incredible potential because of their very intense photosynthetic activity.” Algae take in carbon dioxide and produce oxygen while growing. Compared to a tree, micro-algae are about 150 to 200 times more efficient at sucking carbon out of the air.

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For kids in developing world slums, dental hygiene is a real problem. With this cheap gum developed by a team of college students, they might be able to have their candy and clean teeth.

"The thing with gum is that you want it because it’s tasty. The health benefits are almost extra," says one of the gum’s creators, Josh Tycko. "Toothpaste is seen as extra expenditure for long-term dental care that is too far on the horizon to be thinking about when you’re living on a small budget."

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For kids in developing world slums, dental hygiene is a real problem. With this cheap gum developed by a team of college students, they might be able to have their candy and clean teeth.

"The thing with gum is that you want it because it’s tasty. The health benefits are almost extra," says one of the gum’s creators, Josh Tycko. "Toothpaste is seen as extra expenditure for long-term dental care that is too far on the horizon to be thinking about when you’re living on a small budget."

Read More>

Solar Power Is Now As Cheap As Grid Electricity In These European Countries 
Choosing solar power no longer has to be a sacrifice for the sake of the environment. In Germany, Italy, and Spain, installing your own solar panels can now actually save money.
A report released by European renewable energy consulting firm Eclareon shows that solar energy has reached “grid parity.” In other words, over the full lifetime of the equipment, the total cost of owning and operating rooftop solar panels is about the same as buying electricity from the grid.
Read More>

Solar Power Is Now As Cheap As Grid Electricity In These European Countries

Choosing solar power no longer has to be a sacrifice for the sake of the environment. In Germany, Italy, and Spain, installing your own solar panels can now actually save money.

report released by European renewable energy consulting firm Eclareon shows that solar energy has reached “grid parity.” In other words, over the full lifetime of the equipment, the total cost of owning and operating rooftop solar panels is about the same as buying electricity from the grid.

Read More>

High-school student Megan Grassell couldn’t find cute, age-appropriate bras for her younger sister, so she made her own. Now her company Yellowberry is being held up as a model of innovation, design, and feminists united against the sexualization of girls.

"At first, … it was hard to get people to take me seriously. I was talking to someone the other day who’s been a great mentor to me, and he said "Megan, when you first came to me with that bra, and you thought you were ready to go, I thought, ‘Who is this high school girl?’"

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High-school student Megan Grassell couldn’t find cute, age-appropriate bras for her younger sister, so she made her own. Now her company Yellowberry is being held up as a model of innovation, design, and feminists united against the sexualization of girls.

"At first, … it was hard to get people to take me seriously. I was talking to someone the other day who’s been a great mentor to me, and he said "Megan, when you first came to me with that bra, and you thought you were ready to go, I thought, ‘Who is this high school girl?’"

Read More>