President-elect Trump promised an expedited pathway to permits and project approvals for anyone investing $1 billion in the United States.
Why it matters: It's not clear who would be eligible, or for what kind of projects, nor how the federal government would do away with the usual labyrinth of regulatory hurdles.
Here's one thing Donald Trump needs to scrap restrictions on U.S. drilling and exports: plenty of lawyers.
Why it matters: Some of President Biden's policy moves could place time-consuming bureaucratic and legal hurdles before Trump officials who would need to formally unwind them.
Climate scientists continue to unravel the mystery of why the planet was so hot last year and how that record heat has kept up through this year.
Why it matters: The lack of a complete explanation leaves open the possibility that the climate is behaving in new and unexpected ways, due largely to human-caused emissions of greenhouse gases.