These amazing electric blue clouds are technically called noctilucent clouds. You know how some beautiful sunsets are caused by pollution in the air, but they're beautiful anyway, in a profoundly sad way? Same with these. They naturally occur in the Arctic, but this photo was taken in Spokane, WA (by Brian-Chilcoat, posted at Image Shack.) Writing as FishOutofWater at Daily Kos, he explains the physics and atmospheric science involved, but it comes down to this: "One reason for the recent spread of noctilucent clouds might be global warming...While greenhouse gases warm Earth's surface, they actually lower temperatures in the high atmosphere ...Arctic clouds appearing in the midlatitudes are a beautiful sign of climate change."
On Turning 73 in 2019: Living Hope
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*This is the second of two posts from June 2019, on the occasion of my 73rd
birthday. Both are about how the future looks at that time in the world,
and f...
3 days ago
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