# Why I must speak out about climate change

- Institution: TED
- Department: TED2012
- Speaker: James Hansen
- Year: 2012
- Level: For everyone
- Language: English
- Subjects: Earth and environment
- Source: [TED](https://www.ted.com/talks/james_hansen_why_i_must_speak_out_about_climate_change)
- 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)

Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.

## Lectures

1. [Why I must speak out about climate change](https://invisiblenetwork.ai/learn/ted/james_hansen_why_i_must_speak_out_about_climate_change/92e4c26e425a), 18 min (TED's player)