The devil is in the details: - How quickly do we phase out fossil fuels. Less than 5 years is un realistic but more then 20 years is probably too long to wait

The devil is in the details: - How quickly do we phase out fossil fuels. Less than 5 years is un realistic but more then 20 years is probably too long to wait - How much should we charge for carbon emissions? - How do we restore ecosystems that took millions of years to form?