... whose jobs are dependant on a federal grant getting renewed.
A recent GAO report said that $106 BILLION was spent by the US government through 2010 on global warming research. If you figure that was through the end of 2010, that was still 4 years ago, so the number is now much larger.
That number absolutely dwarfs even the imagined amount of money that fossil fuel companies have been accused of spending in campaigns against "climate change". I mean it's easily more than 2 orders of magnitude larger.
Even scientists are human, and they are smart enough to know which side of their bread the butter is on.