Sydney Blacks Out for Global Warming

April 1st, 2007 in Space & Earth / Environment
Sydney Blacks Out for Global Warming (AP)

The difference of switching many of the city's lights is shown in this combo taken one week apart in Sydney, Australia, on March 24, 2007, above, and Saturday, March 31, 2007, below. Businesses and homeowners switched off the lights in Australia's largest city to draw attention to global warming. (AP Photo/Paul Miller)

(AP) -- The Sydney Opera House's gleaming white-shelled roof was darkened Saturday night along with much of the rest of Australia's largest city, which switched off the lights to register concern about global warming.

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