> I think it’s hard to know what ‘bad’ means here. We have an entire civilization completely optimized for the climate of the late 20th century. It's hard to

> I think it’s hard to know what ‘bad’ means here. We have an entire civilization completely optimized for the climate of the late 20th century. It's hard to know exactly how it will be bad, but it's an incredibly safe bet that global warming is bad.