Status: Orders issued granting motion for reconsideration and amending opinion holding rule invalid. [ 08/20/2019 ]
Description: Challenge to an instream flow rule for the Spokane River, which petitioners alleged was experiencing a "low flow trend" due to climate change and other factors.
Status: Judgment reversed and remanded for further proceedings. [ 02/25/2020 ]
Description: Challenge to county zoning ordinance amendments that would purportedly authorize development of thousands new oil and gas wells annually, as well as related construction and operational activities, without further site-specific assessment.
Description: Petition by Colorado governor for declaration that attorney general did not have authority to sue the federal government on behalf of the State.
Description: Case challenging public utilities commission's approval of power purchase agreement and challenging denial of environmental group's requests to intervene or participate.
Status: Unpublished opinion issued reversing trial court order that granted relief from judgment. [ 09/05/2017 ]
Description: Challenge to denial of rulemaking petition that asked Department of Ecology to recommend restrictions on greenhouse gas emission to state legislature.
Status: Colorado Supreme Court denied motion to vacate the dissenting opinion of Judge Laurie Booras and vacate this court’s orders, or at a minimum, reconsider and modify the Supreme Court's court’s opinion in light of the vacated dissent. [ 01/28/2019 ]
Description: Rulemaking petition and subsequent litigation seeking to require Colorado Oil and Gas Conservation Commission to deny drilling permits unless they would not adversely impact human health and the environment or contribute to climate change.
Status: Administrative law judge issued findings of fact, conclusions, and recommendations on carbon dioxide values. [ 04/15/2016 ]
Description: Environmental groups asked the Minnesota Public Utilities Commission to update its environmental cost values for carbon dioxide and other emissions associated with electricity generation.
Description: Challenge to New Jersey’s withdrawal from the Regional Greenhouse Gas Initiative on the grounds that it violated the New Jersey Administrative Procedure Act.