(a) The Commissioner of Energy and Environmental Protection shall, with the advice and assistance of a nonprofit association organized to provide scientific, technical, analytical and policy support to the air quality and climate programs of northeastern states: (1) Not later than December 1, 2009, publish an inventory of greenhouse gas emissions to establish a baseline for such emissions for the state and publish a summary of greenhouse gas emission reduction strategies on the Department of Energy and Environmental Protection’s Internet web site, (2) not later than July 1, 2010, publish results of various modeling scenarios concerning greenhouse gas emissions, including, but not limited to, an evaluation of the potential economic and environmental benefits and opportunities for economic growth based on such scenarios, (3) not later than July 1, 2011, analyze greenhouse gas emission reduction strategies and, after an opportunity for public comment, make recommendations on which such strategies will achieve the greenhouse gas emission levels specified in § 22a-200a, and (4) not later than July 1, 2012, and every three years thereafter, develop, with an opportunity for public comment, a schedule of recommended regulatory actions by relevant agencies, policies and other actions necessary to show reasonable further progress towards achieving the greenhouse gas emission levels specified in § 22a-200a.

(b) The commissioner may adopt regulations, in accordance with the provisions of chapter 54, to implement the provisions of this section. Nothing in § 4a-67h, 22a-200 or 22a-200a or this section shall limit a state agency from adopting any regulation within its authority in accordance with the provisions of chapter 54.