# The 55 gigaton challenge

- Institution: TED
- Department: Countdown Global Livestream
- Speaker: Countdown
- Year: 2021
- Level: For everyone
- Language: English
- Subjects: Earth and environment
- Source: [TED](https://www.ted.com/talks/countdown_the_55_gigaton_challenge)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

This is the climate challenge we face: we need to go from putting 55 billion metric tons of greenhouse gases into the air each year to zero. And it all needs to happen by 2050 at the latest. How can we get there? This quick animated video explains. (Written by David Biello and voiced by Elise Hu)

## Lectures

1. [The 55 gigaton challenge](https://invisiblenetwork.ai/learn/ted/countdown_the_55_gigaton_challenge/27a70a6971b0), 6 min (TED's player)