My main reservation about travel classes is the carbon footprint we create by our activities when we do these classes, particularly flying. My purpose of this email is not to make you feel guilty but instead to inspire you to make the most out of the footprint that we left behind by doing this trip. We have discussed many of the major anthropogenic impacts on this glorious reef system. In addition, many of you have taken other environmental studies classes from me. We know that there are many environmentally based existential threats to humanity. Based on what I have seen in the scientific literature, we can realistically expect to keep the warming of earth's surface temperature to about 3 degrees centigrade.
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