Axios

Colorado Attorney General Phil Weiser is vowing to challenge President Trump's decision to relocate U.S. Space Command from its temporary home in Colorado Springs to Huntsville, Alabama.

Why it matters: The move announced Tuesday sets the stage for a high-stakes legal showdown with huge economic implications.

The American Petroleum Institute launched a seven-figure ad buy Tuesday that pushes lawmakers to pass a comprehensive permitting overhaul.

Why it matters: The powerful group sees a need for legislative changes even amid White House moves to speed permits for oil and gas infrastructure.

Dozens of climate scientists on Tuesday released a detailed rebuttal of the Energy Department's contrarian climate report, alleging "pervasive problems" with the work.

Why it matters: DOE's July report informs EPA's planned repeal of the "endangerment finding" — the legal underpinning of federal emissions regulations.

Average fall temperatures are rising almost universally nationwide, a new analysis finds.

Why it matters: Warmer falls could increase cooling demand (and cause bigger bills and more strain on the electric grid), affect growing and allergy seasons, and have health impacts for vulnerable groups.