A major heat wave settling over the Pacific Northwest will bring several days of potentially record-breaking triple-digit temperatures this week, echoing a deadly heat wave that tormented the region last summer.
Zap Energy said its experimental reactor core was ready for a milestone test. Skeptics routinely question whether the technology is currently possible.
The operators of Climate Pledge Arena, home to the N.H.L.’s newest team, the Seattle Kraken, plan to reduce and offset its entire planet-warming footprint. They still have a lot to prove.
As another heat wave builds in the U.S. Northwest, a New York Times analysis has found that recent scorching temperatures in the area may have been more lethal than officially reported.
A wave of ocean air provided some relief after Portland, Ore., reached 116 degrees on Monday. Temperatures reached the 90s there on Tuesday, forecasters said.
