Towing An Iceberg: One Captain’s Plan To Bring Drinking Water To 4 Million People • Discoverology

Towing An Iceberg: One Captain’s Plan To Bring Drinking Water To 4 Million People

Cities, Nature

After three years of severe drought, Cape Town was at risk of becoming one of the first cities in the world to run out of municipal water. Nicholas Sloane has a fix for a country struggling with its supply.

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The Food Deserts Of Memphis: Inside America’s Hunger Capital

The Food Deserts Of Memphis: Inside America’s Hunger Capital

Cities, Food, Health, Videos

In the ‘food deserts’ of Memphis, Tennessee, dominated by fast food outlets and convenience stores, locals lack what seems a basic human right in the richer half of the city: a supermarket. With a big gap in life expectancy, are these Americans doomed to die younger than their neighbours – or can they fight for their right to nutrition?

Why Is Africa Building A Great Green Wall?

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.

Smart Frames For Growing Plants In The City

Smart Frames For Growing Plants In The City

Cities, Design, Innovation

French company, Urban Canopee, has developed lightweight, adaptable and flexible frames, which serve as support for climbing plants — both in isolation or in groups — and to create a verdant canopy. The company hopes the easy-to-use frames will be used to grow plants on the roofs of buildings and other public spaces.

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?

Billboard Uses Tire Screeching Sounds To Photograph Terrified Jaywalkers

Billboard Uses Tire Screeching Sounds To Photograph Terrified Jaywalkers

Cities, Innovation, Media

An unusual billboard was recently set up at a crosswalk in France to promote pedestrian safety. Whenever a pedestrian was detected crossing while the “red man” light was on, the billboard would emit a loud tire screeching sound. A camera built into the billboard would then capture the terrified face of the jaywalker.

How Cities Became Childless

How Cities Became Childless

Cities, Life, Videos

American cities are getting more expensive, and families are being pushed out. Welcome to the future of urban living, where young people have to make a choice: money or babies?

The Green Sludge That Could Transform Our Diets

The Green Sludge That Could Transform Our Diets

Food, Nature

One potential alternative food source – both for humans and the animals we eat – is algae. Microalgae is rich in protein, amino acids, fatty acids, and vitamins. Could the green stuff that appears on ponds and lakes after a particularly warm spell be the answer to the planet’s food security problems?

Drought And Floods — The Climate Exodus

Drought And Floods — The Climate Exodus

Nature, Videos

More people around the world are fleeing from climate change than from war. If human-induced climate change continues at the current rate, the World Bank warns that by 2050 there could be as many as 180 million climate refugees.

How The Nile Can Provide Life And Divide Nations

How The Nile Can Provide Life And Divide Nations

Nature, Videos, World

The Nile river plays a central role for all nations through which it flows and it forces them to cooperate. At the same time, the sharing of water can also lead to tensions. This video focuses on these two aspects by looking at two construction projects along the Nile.

What Happened When Oslo Decided To Make Its Downtown Basically Car-Free?

What Happened When Oslo Decided To Make Its Downtown Basically Car-Free?

Cities

It was a huge success: Parking spots are now bike lanes, transit is fast and easy, and the streets (and local businesses) are full of people. Several other cities are also working to reduce car use, such as Madrid, which limits access to the city center for anyone other than the people who live there.

How Earth Would Look If All The Ice Melted

How Earth Would Look If All The Ice Melted

Nature, Videos, World

As National Geographic showed us, sea levels would rise by 216 feet if all the land ice on the planet were to melt. This would dramatically reshape the continents and drown many of the world’s major cities.

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