Write content for /choose-to-speak-up page

**A page dedicated to why you speak up and spread the word about climate change - and how to do it. Mainly about activism**

Ideally should follow a similar format to other choice pages eg: https://climatechoice.co/change-how-you-eat

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[Google doc to collaborate on the content here
](https://docs.google.com/document/d/1-J_crgJYV14GxDKVAQMs3-nd4rjXiq9zOiZCPE3eHkU/edit?usp=sharing)

Start by reviewing the existing /change-how-you-eat page linked in the issue to understand the choice-page format, then use the linked Google Doc for the proposed content. Done means adding the /choose-to-speak-up page with content about climate activism and why and how people can speak up.

Written by the indexing model from the issue text.