Axios

An Arctic outbreak featuring punishing cold weather is beginning across much of the U.S. at the same time that Europe prepares for plunging temperatures.

Why it matters: About three weeks of cold east of the Rocky Mountains — potentially accompanied by major winter storms — will boost natural gas prices, pose a risk of power outages and disrupt travel.

Around 15% of Puerto Rico is still without power after a staggering "island-wide" outage cast the population into darkness Tuesday.

The big picture: The island has grappled with a faulty power grid and repeated outages for years, sparking frustration and protests.

The newest generation — Beta — will see its youngest members be born roughly from 2025 through 2039.

The big picture: Many within the generation will live to the 22nd century. Even more than their nearest predecessors, this cohort's experience will be defined by unpredictable technological advancements and climate crises.

Puerto Rico experienced an "island-wide" power outage starting Tuesday morning that could last up to two days in some places, per grid operator LUMA Energy.

The latest: President Biden discussed the widespread outages across the U.S. territory with Gov. Pedro Pierluisi during a Tuesday evening phone call during which he offered any federal assistance needed, per a White House pool report.