Ontario’s exit exacerbates allowance overallocation in the Western Climate Initiative cap-and-trade program

New data show that the net result of Ontario’s brief participation in California and Québec’s cap-and-trade program was to inflate the program’s supply by 13.2 million allowances, adding to concerns about allowance overallocation.

Ready, fire, aim: ARB’s overallocation report misses its target

The California Air Resources Board’s report on allowance overallocation in the cap-and-trade program does not address whether overallocation will cause the state to exceed its 2030 climate target—and also makes a fundamental methodological error that undermines the Report’s own conclusions.

California’s Cap-and-Trade Reforms: March 2018 Comment Letter

At a workshop earlier this month, ARB released its initial thinking on how to implement the post-2020 market design reforms required by AB 398. We comment on ARB’s overall market design proposal and proposed interpretation of AB 398 offsets limits.


“Another Western grid plan bites the dust,” E&E News

“Full regionalization isn’t ‘strictly necessary to do most of the things that people advocate for,’ said Danny Cullenward, a research associate at the think tank Near Zero who has been studying the issue. ‘The notion that there’s one true path, I think, is deeply misguided.'”


Linking, banking, and offsets

In discussions of California climate bill SB 775, one of the issues that has drawn the most criticism—and frankly, the most inaccurate criticism—regards linking the state’s cap-and-trade market with similar markets in other jurisdictions

credit for header photo: Krystle Mikaere