"So, to all who worry about global warming, to all who think that people threatening to blow up millions to get their political way is no big deal by comparison, chill out. The science is settled. The "skeptics" -- the strange name applied to those whose work shows the planet isn't coming to an end -- have won."
The author of the article explains why he feels this way through out the article, though It is a lot easier to measure the temp with out leaving the ground. Either way someone is wrong, and they only way to figure out who is right is to get all new data, which is not possible considering how you can't go back in time.