In this 10th-anniversary year of the release of Al Gore’s An Inconvenient Truth, the debate between those who believe in global warming and those who do not has reached a critical stage. President-elect Trump, who has said climate change is a hoax perpetrated by the Chinese, has threatened to end all funding and ignore past pledges of President Obama’s administration. Those passionate about saving the planet from the effects of global warming face off against others who believe, just as passionately, that there is nothing to save since earth’s climate changes every few thousand years. Chances are you have an opinion, but is there a way to understand the other side and cross the divide? When Gore’s film first came out, I watched the trailers and suggested to my husband that we watch the movie. Tony was not that interested. This wasn’t a total surprise since we had different opinions on a variety of topics, including our every-four-year presidential voting patterns. Yet, I couldn’t understand his disinterest when he had been committed to the environment for much of his life. He joined the Peace Corps after college …