NBC: Six to eight times a month, a Sherpa airplane with special instruments takes off from Fairbanks, Alaska, in search of data to answer the question: Is global warming causing changes to the environment that inevitably accelerate the climate change?
That is the suspicion of Charles Miller, principal investigator for a research project that is focusing on greenhouse gas emissions in the skies above the Arctic tundra, the vast treeless region that produces only grasses and low brush during the brief...