Corporations are being monitored as to their carbon base. The level of carbon in the atmosphere is reaching dangerous levels that threaten corporate productivity, as well as human health. Remember that humans are carbon-based life forms. This Article discusses in detail efforts to halt the release of carbon into the atmosphere and mitigate global warming, from state-led initiatives to litigation in lower courts and the U.S. Supreme Court. It concludes that incentivizing corporations to adopt renewable energy practices is the best way to address corporate citizenship and environmental responsibility.