Why Is Africa Building A Great Green Wall? • Discoverology

Why Is Africa Building A Great Green Wall?

Nature, Videos

Eleven countries are planting a wall of trees from east to west across Africa, just under the southern edge of the Sahara desert. The goal is to fight the effects of climate change by reversing desertification.

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“Abandoned”, The Story Of The S.S America Vessel

“Abandoned”, The Story Of The S.S America Vessel

History, Videos

In 1940, a stunning and iconic vessel was launched called the S.S America. A ship of pride for the United States and after a long career in her golden years, the vessel ended up in a state of limbo for a while. She was left abandoned floating aimlessly until she was bought out and renamed to the SS American Star.

Can Sea Water Desalination Save The World?

Can Sea Water Desalination Save The World?

Nature, Videos

Ocean water is saturated with salt, and undrinkable. Most of the freshwater is locked away in glaciers or deep underground. Less than one percent of it is available to us. So why can’t we just take all that seawater, filter out the salt, and have a nearly unlimited supply of clean, drinkable water?

How Norway Designed A More Humane Prison

How Norway Designed A More Humane Prison

Architecture, Crime, Videos

Halden Prison in Norway looks sort of like a fancy dorm room or a hotel — much different than the barbed wire and cramped cells we often associate with prison design. Its look is all part of a plan to create a more humane prison, one where the architecture isn’t part of the punishment.

How Big Oil And Big Soda Kept A Global Environmental Calamity A Secret For Decades

How Big Oil And Big Soda Kept A Global Environmental Calamity A Secret For Decades

Business, Long Reads, Nature

With new legislation, Sen. Tom Udall is attempting to marshal Washington into a confrontation with the plastics industry, and to force companies that profit from plastics to take accountability for the waste they create. Big Plastic isn’t a single entity. It’s more like a corporate supergroup: Big Oil meets Big Soda.

Why Do So Many U.S. Cities Have Gridded Streets?

Why Do So Many U.S. Cities Have Gridded Streets?

Cities, Explainers, Videos

Many U.S. cities were founded with a street grid. Why? This video describes the historic factors that contributed to the adoption of a grid. This includes influential city designs from Versailles, London, Philadelphia, New York, Chicago, and Reno.

WeWalk Smart Cane Helps Blind People Navigate

WeWalk Smart Cane Helps Blind People Navigate

Apps, Innovation, Videos

The WeWalk stick has an ultrasonic sensor that detects obstacles above chest level and uses vibrations to warn the user. It can be paired with a smartphone to help navigation and is integrated with a voice assistant and Google Maps. Connecting the stick to the Internet of Things and smart city solutions makes it user-friendly.

Road To The Future

Road To The Future

Innovation, Videos

While road types can vary greatly depending on their use, location and construction method, the majority are formed from crushed rock, sand and asphalt in a process that releases volatile organic compounds into the atmosphere. In order to curb the environmental impact of road construction, a number of new innovations are now being trialed.

The Spectacular Rise And Fall Of WeWork

The Spectacular Rise And Fall Of WeWork

Business, Videos

In less than one year, WeWork went from having a $47 billion valuation and being the darling of the venture capital world to needing an $8 billion infusion to avoid running out of money. This is the story of Adam Neumann, Softbank’s risky investment, a failed IPO and how we got here.

Science Fiction Short Film: Others Will Follow

Science Fiction Short Film: Others Will Follow

Videos

The lone survivor of the first mission to Mars uses his last moments to pass the torch of inspiration. Others Will Follow was inspired by a speech written for President Nixon to deliver in the event that the Apollo 11 astronauts were stranded on the moon.

The Subtle Seduction Of The ‘Warm’ In Global Warming

The Subtle Seduction Of The ‘Warm’ In Global Warming

Nature

In a report called “Most Like It Hot,” the Pew Research Center found that 57 percent of Americans prefer to live in a city with a hot climate, and only 29 percent prefer cold locales. Could our collective preference for balmy weather be lulling us into a false sense of complacency toward climate change?

1UP Creates The World’s First Underwater Coral Graffiti Tag Artwork Off Bali

1UP Creates The World’s First Underwater Coral Graffiti Tag Artwork Off Bali

Art, Nature

Berlin’s 1UP Crew have been on the road and have recently stopped at Nusa Penida, a small island off Bali, building out a coral farm inside an environmentally safe “1UP” tag/frame. The world’s first underwater 3D Installation that serves as an artificial coral reef to help regenerate corals and marine life.

The Rise And Fall Of Pan Am

The Rise And Fall Of Pan Am

Business, History, Videos

Pan Am was once the largest international airline in the US. In 1970 alone, it carried 11 million passengers to 86 countries worldwide. But after 60 years of flight, decades of financial turbulence, and a devastating terrorist attack above the skies of Lockerbie, Scotland, Pan Am went bust.

Could Air-Conditioning Fix Climate Change?

Could Air-Conditioning Fix Climate Change?

Innovation, Nature, Science

Air conditioning systems can replace the entire air volume in an office building five or 10 times an hour.  Machines that capture carbon dioxide from the atmosphere—a developing fix for climate change—also depend on moving large volumes of air.  So why not save energy by tacking the carbon capture machine onto the air conditioner?

The Limits Of Clean Energy

The Limits Of Clean Energy

Nature

Once we trade dirty fossil fuels for clean energy, there’s no reason we can’t keep expanding the economy forever. This narrative may seem reasonable enough at first glance, but there are good reasons to think twice about it. One of them has to do with clean energy itself.

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