A combination of factors pose significant barriers to developing effective and efficient sets of policies to achieve long-run climate policy objectives. Political opposition to particular types of policy mechanisms (for example, GHG pricing) and the global, stock-pollutant nature of the climate...

California's GHG cap-and-trade program is a key element of policies designed to achieve the goal of the Global Warming Solutions Act of 2006 (AB 32) to reduce GHG emissions to 1990 levels by the year 2020. Throughout the process of implementing its GHG cap-and-trade program, ARB has shown an...

The GHG cap-and-trade system is a key element of the policies designed to achieve California's ambitious goal of reducing GHG emissions to 1990 levels by the year 2020. The cap-and-trade program creates allowances necessary for regulatory compliance that become valuable because of their limited...

California’s Global Warming Solutions Act of 2006 (AB 32) requires that the State lower its greenhouse gas (GHG) emissions to 1990 levels by the year 2020. To achieve this ambitious goal, California’s Air Resources Board (ARB) has developed an AB 32 Scoping Plan that includes multiple...

California's Global Warming Solutions Act of 2006 limits California's greenhouse gas (GHG) emissions in 2020 to their 1990 level. In 2006, three studies were released indicating that California can meet its 2020 target at no net economic cost - raising questions about whether opportunities truly...