Axios

Spanish Prime Minister Pedro Sánchez on Friday urged public officials and private sector workers to dress more casually to stay cooler after a deadly heat wave hit the country earlier this month, Reuters reports.

Why it matters: More than 2,000 people died from heat-related causes in Spain and Portugal in roughly a week after a deadly heat wave swept through Europe over several weeks.

The Oak Fire burning on the outskirts of Yosemite National Park in Mariposa County, California has destroyed at least 135 structures and has damaged at least 10 others, Cal Fire said in an incident update on Thursday.

Why it matters: The wildfire has forced thousands of people to evacuate the area and has burned more than 19,100 acres, making it the state's largest so far this fire season.

Gov. Andy Beshear said Kentucky has experienced "one of the worst, most-devastating flooding events" in its history after heavy rainfall and flash flooding hit the eastern portion of the state overnight Wednesday into Thursday morning.

The big picture: This is the second deadly extreme rainfall event from this same frontal system, which stuck the St. Louis metropolitan area with record rainfall on Tuesday, also causing flash flooding that killed at least one person.

Human-caused climate change tipped the scale dramatically in favor of the record-shattering U.K. heat wave that struck the country last week, a new study concludes.

Why it matters: Extreme weather and climate events are a big part of how society is experiencing global warming, and this study clearly lays out the present-day consequences of greenhouse gas emissions.

A landmark California law requiring high schools to start at 8:30am or later is jump-starting similar efforts nationwide after years of intense debate over schools' starting bells.

Why it matters: Most teens don't get enough sleep — yet school start times are a hot-button political issue that divide communities, pitting teachers, parents, bus drivers, and administrators against one another.