The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of planet-warming greenhouse gases to a net emitter, or "source," indicates the Arctic is on the brink of further, sweeping changes.
Why it matters: This conclusion, contained in an authoritative federal report, indicates far-reaching consequences lie ahead for the world. And it suggests more Arctic climate dominoes are still to fall.
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.
