Climate Change

Climate change represents a substantial threat to human prosperity: warming has led to extreme weather and degraded ecosystems. Greenhouse gas emissions, including carbon dioxide and methane, are the substantial cause of recent warming, which has been 10 times more...

Cap and Trade

California has adopted a cap-and-trade approach to global-warming gases, requiring utilities and businesses that produce such gases to purchase permits to do so, either from the state itself or from other producers who have been granted permits based on previous...