Proponents of Climate Change Say That Given What We Know

Proponents of climate change say that given what we know about the probability of the greenhouse effect, the best thing to do is

A) Immediately cease all industrial activity
B) Wait and see how much temperatures change before we change our habits
C) Severely cut back on production of greenhouse gases
D) Not worry about greenhouse gas production
E) Focus on the development of technological advances to help decrease the effects of climate change