After rising steadily for decades, global carbon emissions fell by 6.4 percent in 2020 — approximately 2.3 billion metric tons. What is the scientific evidence on the link between carbon emissions and climate? What human behaviors impact growing climate risks? Are businesses affected by this risk seeing the same evidence as scientists? How can environmentally minded households or investors make changes to reduce risk? What would it really take to transform our society to an environmentally sustainable model? What are the risks to our way of life if we do — or do not?
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