So besides that AGU has disputed some of today's LA Times story, I haven't heard much about what will actually occur. But I think it's a good thing that at least some climate scientists are planning to fight back.
I don't see this as activism. At all. These scientists aren't saying we should tear down oil wells or transition to electric cars or that Congress should enact cap-n-trade -- I don't think I've ever heard a single climate scientist say anything like that. They are simply communicating the science --that GHGs + land use changes are going to, in the long-term, change our climate. And for that, for their science alone, they are being attacked, and being accused of all manners of fraud and lies and misrepresentations. This is unprecedented and unacceptable, and they have a right to fight back about the science.
Personally I think some scientist ought to sue someone like Moran or Tom Nelson when they label them a "fraudster." That would get attention.