This chart is based on WRI’s recent analysis of potential greenhouse gas emissions reductions under existing federal authorities and state actions through 2030.

This analysis seeks to quantify the reductions that might be expected under three different state-level scenarios (identified and defined in the figure). States are pursuing a wide range of greenhouse gas mitigation policies, such as cap and trade, energy efficiency investments, renewable portfolio standards, smart- growth planning, low-carbon fuel standards, utility regulatory policy reforms, transit-oriented development, and many others. For more information, see http://earthtrendsdelivered.org/node/387 and http://bit.ly/cSUqtb.