On the question of Carbon: we should not behave as though carbon were something to avoid or minimize. It's good for us. Our bodies are about 18.5% carbon.
Carbon Dioxide, while unpleasant to breathe in large quantities (mask wearers!), is completely harmless and has no effect on climate, rather the reverse is true. Plants and trees love CO2, it's food to them.
It's painful to see all the nonsense on this subject coming from politicians, "scientists" and celebrities.