A massive plume of Saharan dust has shrouded swathes of the Caribbean, turning blue skies into a milky-brown haze… And sparking health warnings across the region as air quality fell to unhealthy levels. Strong warm winds over the Sahara desert typically whip up sand at this time of year and carry it thousands of miles … Continue reading Caribbean Chokes on Monster Saharan Dust Cloud Headed Toward the U.S.