Interesting. In your opinion, how should we decide when we're close enough that we're talking about something concrete?
Would you have opposed research into renewable energy in the 1970s since global warming was still a few decades away from being something we needed to worry about?
If you think this than you have misunderstood me. Now go elsewhere and bother other people.
What makes you sure it's not going to be a problem?
Your intent is irrelevant.