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Could not find a measure of the global dimming effect we still have from SO2 and particles but it certainly seems to be decreasing.Is it possible to measure how the whole Earth's albedo changes and get a better idea of how much more sunlight we are now absorbing compared to before the industrial revolution, ice loss, forest loss, cities with asphalt etc?
Between the 1950s and the early 1990s the level of solar energy reaching the earth's surface had dropped 9% in Antarctica, 10% in the USA, by almost 30% in Russia. And by 16% in parts of the British Isles. This was a truly global phenomenon, and Gerry gave it a suitable name - Global Dimming. But again, the response from other scientists was one of sheer disbelief.