
In 2017, the cities of Oakland and San Francisco filed suit in California state court against BP, Shell, Chevron, ConocoPhillips, and ExxonMobil. The complaint asserted a claim of public nuisance and alleged that the energy company defendants had created or contributed to climate change by producing and promoting fossil fuel products for decades. Plaintiffs requested an abatement fund to construct infrastructure to adapt to climate harms such as sea level rise. In the short period since Oakland v. BP was filed, over a dozen cities, counties, and states have brought climate suits against energy companies in state courts
When Canadian oil sands developer Suncor Energy brings some of the world’s dirtiest oil to market, much of it comes by way of its Colorado refinery. In Board of County Commissioners of Boulder County v. Suncor Energy, a group of Colorado communities sued Suncor for selling and marketing fossil fuels while deceiving the public about their contributions to global warming.