A world without...

What would a world without these much-needed forests look like? What would happen if all microbes disappeared from the planet? What would a world look like without one of its worst predators, the mosquito, responsible for millions of deaths a year? What would happen if we were, one day, deprived of our satellites? What would happen if we were, one day, deprived of...

Overview Seasons Similar

Created By
Status	Returning Series
Original Name	Un monde sans...
First Air Date	October 26, 2013
Last Air Date	November 23, 2013
Seasons	1
Episodes	5
Episode Runtime	0min
Language	French
Original Language	French
Production Countries	—
Production Companies
Networks

S01E05

A world without... sand

Sand is all around us. It is the main ingredient of concrete and we use it to build our homes and urban infrastructures. It is in fact the second most exploited natural resource ahead of oil and natural gas. If sand seems to be an infinite resource, a tiny part of the sand found on our planet is exploitable. To obtain this resource, some beaches and rivers are destroyed and the effect on the environment is devastating. With the help of geologists, engineers and conservationists, we explain why sand is such an important part of our lives and how to protect this precious resource.

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