My opinion: There is no solution to this problem without strong public policy. What we have here is a problem of the market to deal with a strong negative externality. There are many ways to deal with this, but they all involve some sort of collective legally binding action. Carbon tax, cap & dividend, outright outlawing of certain industries or activities... these are all possible solutions, each with their own strengths. But individual action is not gonna cut it on this one. So, invent all the technological solutions you want. They will be useful, but only to solve the challenge which the public policy will create. Without the public policy, they're scarcely going to scratch the surface.