New data show that California’s greenhouse gas emissions covered by the state’s cap-and-trade system declined sharply in 2016, good news for state climate policy. However, the progress is almost entirely in the electricity sector. Key sectors—notably transportation fuel suppliers and refining—actually reported higher emissions in 2016, indicating potential challenges as the state prepares a strategy to deliver on its more ambitious 2030 target.
Comment on the relationship between the 2030 Scoping Plan and the cap-and-trade AB 398 implementation process.
In a talk at Stanford’s Energy Seminar, we assess the experience of California’s climate policies to date for the economy as a whole and in two key sectors, electricity and transportation
The California Air Resources Board’s plans for cutting greenhouse gas emissions face three major sources of uncertainty and risk: from vehicles, hydrofluorocarbons, and uncertainty in its business-as-usual projection.
Cullenward and Wara submitted a letter to CARB to comment on technical inadequacies, unbalanced evaluation of carbon taxes, and other shortcomings in the 2030 Scoping Plan Discussion Draft
Comment letter to the California Independent System Operator (CAISO) on regional greenhouse gas accounting and market design related to connecting California’s electricity market with neighboring markets
Comment letter to the California Air Resources Board (CARB) regarding transparency, policy specificity, and energy forecasting uncertainty in the draft 2030 Scoping Plan analysis
We suggest options for modifying a post-2020 version of California’s cap-and-trade system to fit within the constraints of two major tax regulations, Propositions 13 and 26.
Comment letter to the California Independent System Operator and California Air Resources Board regarding attribution of greenhouse gas emissions
Comment for the California Independent System Operator (CAISO) on California’s evolving climate policy portfolio and critical market design questions