Sierra Nevada Snow Pack & Snow Melt

♫MUSIC♫ ANN THOMPSON: With its rugged, snowcapped mountains, clear freshwater lakes, and massive sequoia trees, the Sierra Nevada mountain range in California is one of the most visually stunning landscapes in the United States. In addition to its beauty, snow pack and snow melt from this 400-mile stretch of mountains serves a purpose: providing drinking […]

Melting Mountain Glaciers — Changing Planet

ANNE THOMPSON, anchor: It is the highest mountain in all of Africa, and one of the most iconic mountains in the world. For decades, Mount Kilimanjaro has attracted hikers, adventurers, and romantics alike. Popular in books and movies, Ernest Hemingway described it as “wide as all the world, great, high, and unbelievably white in the […]

A Black Hole Merger Every Week? LIGO And Virgo Are Back!

Notice that you haven’t been hearing much about black holes crashing into each other recently? That’s because the world’s most sensitive gravitational wave hunters have been offline for the last year. Well, they’re back now, with enough upgrades that they should be capable of finding a black hole merger every week, not to mention more […]