Despite the warm weather this week, I am imagining that the snow will linger for a while longer. I figure it will take a lot ...

FARGO — Albedo is a word describing the portion of the sun’s radiation reflected from a surface. Most solar radiation passes directly through air with relatively little absorption. The reason it is ...

Considering the globe as a whole, high clouds and cloud-free scenes result in warming of the Earth's atmosphere, as less energy escapes into space than arrives from the sun. For low clouds, it's the ...

Snow reflects the sunlight back into space without converting it into heat (the albedo effect). The trees in this plantation in South Greenland reduce the albedo effect.