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A very good book to help us talk to people about climate change is: Katharine Hayhoe, 2021. Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World. 1 Signal Publishers, New York USA ISBN 978-1-9821-4384-8 (pbk) ISBN 978-1-9821-4385-5 (ebook)
Another interesting document is Faith Action on the UN Sustainable Development Goals: Progress and Outlook. This document suggests that Faith Based organizations are leading the way on promoting a better world.
https://digitallibrary.un.org/record/3895334?ln=en&v=pdf
Talking to Faith Groups involved in promoting a better world may help in networking about climate change. In Australia the Uniting Church, under the heading ICAN are very strong on promoting action to reduce climate change effects, as are the Catholics with their Laudato Si' document which document can be downloaded for free. Just Google it.