OPINION: In more than 35 active cases, states and municipalities are suing oil and gas outfits for “climate harm.” This litigation, with billions of dollars in potential damages, retroactive for decades, is a gut punch to anyone who has ever signed a contract. This is from government agencies that protect their own policy decisions through laws and regulations that prevent similar litigation. I have spent a career in uniform as a U.S. Army engineer, including nearly a decade on critical