Regardless of whoever came up with the idea, recycling does help and you should do it:
https://www.bbc.com/future/article/20230317-how-recycling-can-help-the-climate-and-other-facts
It may not save the planet on its own, but it is part of the solution.
Absolutely. It's never too late to keep trying and every little helps:
https://www.weforum.org/stories/2023/06/too-late-climate-crisis-myth/
https://www.sciencefocus.com/planet-earth/can-we-stop-climate-change
https://www.scientificamerican.com/article/its-never-too-late-to-take-climate-action/#:~:text=Scientists%20warn%20that%20we%20are,the%20planet%20past%20these%20limits
https://www.bbc.com/future/article/20240206-hannah-ritchie-sustainability-data-spreads-hope-not-doomism
https://plana.earth/academy/is-it-too-late-for-our-planet