With Al Gore getting so much mileage from his fame as both a former vice president and now Oscar winner to advance his ideological (if not personal) agenda of getting people to use less energy, it’s worth reviewing the global warming debate to clarify a few misconceptions.

First, we are not in imminent danger of massive sea-level rises. In his movie “An Inconvenient Truth,” Gore warns of seas rising by 20 feet, and shows a dramatic image of lower Manhattan flooded by the swollen Hudson River.