Transcriber: TED Translators Admin Reviewer: Rhonda Jacobs

What is net zero?

We release 55 gigatons of greenhouse gases into the air every year.

To stop global warming,

we have to get our greenhouse g

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Mysteries of vernacular:

Zero,

a number that indicates an absence of units.

In order to understand the genesis of the word zero,

we must begin with the very origins of counting.

The earliest known arc

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