For the most part, climate scientists are doing normal science, and thinking in terms of presenting their work to other scientists. But their work has become the centerpiece for huge global initiatives with large economic, environmental, and political impacts. This means their results, methods, and even personalities are being subject to an unusual degree of criticism (some valid, some not.)
Given the situation, it's absolutely vital for climate scientists to be as forthcoming as possible -- engaging critics, admitting mistakes, and opening up data (as in the article's subtitle.) It's absolutely vital for climate scientists to do a better job of explaining than they've done thus far, and to be very clear about what's known to what level of certainty based on what evidence.
(IMO, it's also absolutely vital for scientists, rather than politically polarized figures like Al Gore, to do the explaining.)
That is a... curious word choice for the White House science adviser.
Heretic: anyone who does not conform to an established attitude, doctrine, or principle.
The word plays on lots of negative connotations (when actually there is no reason that it is bad to be a Heretic). Initially it seems a weird choice of word: basically "hey, if your not with us your against us. Oh and were going to burn you out". On the other hand I think it's one used in science history books quite a lot (still in a negative context though) so perhaps it is because the guy is a scientist and that's how non-conformists are considered.
Or then again maybe it is just a political choice of words attempting to undermine anyone that does pick at the data.
(as an aside the guy is wrong - some of the biggest scientific advances come from "heretics" making big and controversial discoveries)
Heresy applies to religions. By using the word the way he does, he implicitly acknowledges that climate science is a faith-based rather than fact-based system. Which incidentally is a central point of criticism for many sceptics.
"Scientists Taking Steps to Defend Work on Climate"
is more succinct, and carries a different connotation than the one invented by retro:
"Climate scientists beginning to admit mistakes and open up their data."
But the true reason no one will believe their claims till it's too late is that they have no good solutions other than pushing us to the dark ages in terms of energy consumption.
IMO climate scientists should also start thinking about solutions to the climate problem (even if its not exactly their field). We could definitely use more people thinking about solutions rather than just describing the problem or its extent.
That may be true of some environmentalists, but certainly not all. For instance, a much greater number now support building new nuclear plants, as a lesser evil when compared to oil and coal.
The recent news on the Bloom boxes has me quite hopeful however.