The Trump administration is urging the US Supreme Court to take up oil companies’ petition to review a Colorado climate ...

Joe -- Rocking the boat -- A turd -- An agency misstep -- The carbon dioxide warriors -- Weakness in numbers -- Three judges -- Completely confused -- A clarion ...

The federal government’s ability to regulate greenhouse gases depends on a 2009 scientific determination. The Trump ...

A look at the Trump EPA's attempt to rescind the "endangerment finding," which allows the agency to regulate greenhouse gas ...

Initiative 2066 sought to explicitly protect access to natural gas, but a judge ruled it was overly broad and struck it down.

The Washington Supreme Court likely will decide the fate of a voter-approved initiative that bars state and local laws that restrict or discourage the usage of natural gas.

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The Hawaii Supreme Court has ruled that the state Board of Land and Natural Resources violated constitutional rights when it allowed Alexander &Baldwin Inc. to divert streams in East Maui without ...

The California Supreme Court unanimously ruled on Thursday that state regulators were given undue deference in deciding to roll back rooftop solar credits for homeowners, reversing an appeals court ...