The Sphinx snow patch in Scotland used to linger year-round, but it has melted for the fourth consecutive year. Experts see it as a harbinger of climate change. The Sphinx snow patch in Scotland used to linger year-round, but it has melted for the fourth consecutive year. Experts see it as a harbinger of climate change. NBC News Science
Snow patch known as U.K.’s longest-lasting has vanished for fourth straight year
