It is warming fast because a thaw of white ice and snow exposes darker ground and water below that soak up more of the sun's heat. (scientificamerican.com)
Suppose, he said, some random decrease of snow cover in northern latitudes exposed dark ground. (history.aip.org)
100 % Kona Black Gold Coffee can be a delightful experience that lets you enjoy as dark ground coffee straight from Kona Lava Rock roaster and auto - drip grinder to your coffee mug. (konablackgold.com)