Flip flops made of algae!

Q.  For the first time, scientists have created algae footwear that is _________.
- Published on 11 Oct 17

a. Eco-friendly
b. Economical
c. Biodegradable
d. Both a and c
e. All of the above

ANSWER: Both a and c
Flip flops made of algae!Scientists have developed algae-based, renewable flip-flops that could be an environment friendly alternative to petroleum-based slippers-the go-to footwear in countries like India and China.

Three billion petroleum-based flip-flops are produced worldwide each year, eventually ending up as non-biodegradable trash in landfills, rivers and oceans around the globe.

These are the shoes of a fisherman and a farmer.

This is the number one footwear in India, China and in Africa.

One of the largest pollutants in the ocean is polyurethane from flip-flops and other shoes that have been washed or thrown into rivers and flow into the ocean.

The flip flops consist of a flexible, spongy slipper and a simple strap.

Petroleum comes from algae that lived in the ancient oceans hundreds of millions of years ago.

A lot of people do not know that. But what that means is that anything we can make from petroleum we can ultimately make from algae.

The flip-flops, shoe soles and other polyurethane products scientists make from living algae oil are "sustainable" because the carbon to construct them was pulled from the atmosphere, rather than underground oil reserves.

Scientists are seeking to also make them "biodegradable," by chemically converting the algae oil into polyurethane in manner that will allow the carbon bonds to be degraded by microorganisms.

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