Undoctored photograph of a Chicago milk-truck driver's face. What we're seeing is called photoaging.
Global Dimming. Records show that over the past 50 years the average amount of sunlight reaching the ground has gone down by almost 3% a decade. "It's an extraordinary thing that for some reason this hasn't penetrated even into the thinking of the people looking at global climate change. It's actually quite a big deal and I think you'll see a lot more people referring to it."