Chicago — Rapid Arctic warming is causing compounding and sweeping changes throughout the region, with Arctic residents facing increasingly perilous conditions, according to a new report.
Why it matters: The Arctic is a sentinel for the Northern Hemisphere’s climate stability, and it is flashing red.
A federal fusion energy reactor has achieved a crucial goal for the first time: producing more energy than required to start the reaction in the first place, Department of Energy officials announced at a press conference Tuesday.
Why it matters: Scientists have worked for six decades to develop nuclear fusion as a source of effectively limitless clean energy. Ignition is a key milestone in harnessing nuclear fusion, but turning it into a commercial power supply would require clearing additional scientific, technical and financial hurdles.
