Puerto Rico lost electricity again on April 18, seven months after Hurricane Maria first knocked out the island’s power grid. For people in some remote rural areas, the blackout was more of the same. Their power had yet to be restored.

The dangerous fragility of Puerto Rico’s energy systems has put other Caribbean countries on high alert...

Editor’s note: Curbing damage to Earth’s protective ozone layer is widely viewed as one of the most important successes of the modern environmental era. Earlier this year, however, a study reported that ozone concentrations in the...

Transforming U.S. energy systems away from coal and toward clean renewable energy was once a vision touted mainly by environmentalists. Now it is shared by market purists.

Today, renewable energy resources like wind and solar power...

President Donald Trump’s trade policy leaves international economists like me scratching our heads.

His apparent desire to start a trade war with China is only one example on a long list of what I see as poor trade policy choices. Others include:...

In the wake of recent #MeToo revelations, Harvard University has begun to take action against a tenured professor whom the university found guilty of sexual harassment in the 1980s and who now stands accused of harassing women undergraduates, graduate students,...

For decades, the marijuana industry operated underground, outside the confines of the law.

But even though at the federal level, possession and the use and sale of marijuana remain illegal, 29 states and the District of Columbia now allow medicinal marijuana to be sold for the treatment of...

A Food and Drug Administration panel recommended approval of a drug made of cannabidiol on April 19 to treat two types of epilepsy. The FDA is expected to decide in June whether to accept the panel’s 13-0 recommendation to approve...

“Democrats never agree on anything, that’s why they’re Democrats. If they agreed with each other, they’d be Republicans.”

Much has changed since humorist Will Rogers said that in the 1930s, but...

In the midst of riots in 1968 after civil rights leader Martin Luther King Jr. was slain, President Lyndon B. Johnson signed the Fair Housing Act.

The federal legislation addressed one of the bitterest aspects of racism in the U.S.: segregated housing. It...

The new film “A Quiet Place” is an edge-of-your-seat tale about a family struggling to avoid being heard by monsters with hypersensitive ears. Conditioned by fear, they know the slightest noise will provoke...