See the two sub-pages for more detailed suggestions and ideas.
What can we do as individuals?
Lower cost - High efficiency lights, lower energy appliances, home insulation, double glazing, draught proofing, electricity from renewable sources, agile electricity tariffs, lower boiler temperature, lower thermostat settings, diet (less meat), less flights, reduce car use / use public transport
Higher cost - Solar panels, Electric vehicle, Heat pump.
Communicate what can be done, challenge disinformation
Graphic above from https://climate.leeds.ac.uk/news/global-study-uncovers-best-ways-to-change-consumption-to-cut-carbon-footprint/
Much more detail in the .pdf document linked here: https://iopscience.iop.org/article/10.1088/1748-9326/ab8589/pdf
What can we do within our community (the road we live on, for example)
Community heat pump, car sharing
What can we do to influence the local council?
Understand council policies
Engage with the council; monitor progress
What is the UK government doing, and what can we do?
Involvement with similar U3A (eg, environment, climate change) groups
Engage with our MP?
Worldwide problems; impact of global heating, population growth
>>>>>Watch, listen and learn
Journals, news articles, technology updates