International

"The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife announced Thursday."

"March’s persistent unseasonable heat was so intense that the continental United States registered its most abnormally hot month in 132 years of records, according to federal weather data. And the next year or so looks to turn the dial up on global warmth even more, as some forecasts predict a brewing El Niño will reach superstrength."

"Triplet tropical cyclones astride the equator could help it develop."

"Documents show that one of Google’s new data centers would be powered by a natural gas plant that emits millions of tons of emissions each year—an increasingly common trend in the industry."

"A rapidly expanding certification scheme run by a UK nonprofit and used by major gas companies may be understating the actual methane emissions it purports to certify, a Guardian investigation has found."

"The idea that two conditions at opposite ends of life might be biologically linked is beginning to upend long-standing assumptions in brain science, blurring a divide that has shaped the field."

"RJ Laverne’s childhood home in Detroit had a big elm out front. In fact, the whole neighborhood was lined with them: great, graceful trees whose branches spread across the street to create a shady canopy. Elms were so widely planted in cities and suburbs in the 19th and 20th centuries that they became known as the “Main Street tree.” Then, in the 1930s, Dutch elm disease began to ravage them, and by 1989, most of America’s 77 million mature elms were dead."