Q: I’ve heard of global warming, of course, but what on Earth is “global dimming?” A: Global dimming is a less known but real phenomenon resulting from atmospheric pollution. The burning of fossil ...

Robyn Williams: Did you see the Four Corners program about global dimming: the idea that pollution forms a blanket over the Earth and has masked the effects of climate change until recently? Well a ...

I’ve heard of global warming, of course, but what on Earth is “global dimming?” Max S. Seattle, Wash. Global dimming is a less well-known but real phenomenon resulting from atmospheric pollution. The ...

Feb. 9, 2006 — -- Scientists have long argued that human activity may be warming the Earth through a process known as the greenhouse effect. Now studies show we may also be having a different ...

"Dimming the Sun" investigates the discovery that the sunlight reaching Earth has been growing dimmer, which may seem surprising given all the international concern over global warming. At first ...

From the abstract of the lead paper by Martin Wild: Recent evidence suggests that solar radiation reaching the Earth's surface has not been constant over time but has undergone substantial variations ...

In the second half of the 20th century, the world became, quite literally, a darker place. Defying expectation and easy explanation, hundreds of instruments around the world recorded a drop in ...

Ask students to explain what they know about global warming and global dimming. Review these climate phenomena with students, including how the phenomena are believed to occur and what their effects ...

As if I wasn’t already freaked out enough about the planet’s future, my sister just mentioned something called “global dimming.” I’m not too sure what this is, but it sounds ominous. Is this dimming ...

Scientists are proposing an ingenious but as-yet-unproven way to tackle climate change: spraying sun-dimming chemicals into the Earth’s atmosphere. The research by scientists at Harvard and Yale ...