well it will propbably not be so if they had the salaries/careers opportunity they have when leaving for industry. ;-) And climate specialist study climate, you can't expect them to do the job of engineers to find practical alternatives. Again academic research is seeking knowledge, WHAT, HOW, and WHY things are done with this knowledge is rarely under their control.
additionally, i'm not ranting particularly at USA or engineers as a whole of course, if USA remains the second emitter of co2, it's also one of the only country that succeeded in having decreasing emissions in the last years