Take action on climate change at .
A brief answer to one of the key questions about climate change: What is net-zero? (Written by Myles Allen, David Biello and George Zaidan)
This animation was part of the Countdown Global Launch on . (Watch the full event: ) Countdown is TED’s global initiative to accelerate solutions to the climate crisis. The goal: to build a better future by cutting greenhouse gas emissions in half by 2030, in the race to a zero-carbon world. Get involved at
Follow Countdown on Twitter:
Follow Countdown on Instagram:
Subscribe to our channel:
TED’s videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy (). For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at