Cities and monuments switch off for Earth Hour

The Empire State Building and United Nations headquarters in New York joined other iconic buildings and monuments around the world plunging into darkness for sixty minutes on Saturday to mark Earth Hour and draw attention ...

From Sydney to New York, landmarks go dark for Earth Hour

From Sydney's Opera House to New York's Empire State Building and Paris's Eiffel tower, landmarks worldwide dimmed their lights Saturday for the 10th edition of the Earth Hour campaign against climate change.

World landmarks go dark for Earth Hour

The Empire State Building, the Eiffel Tower and the Kremlin—along with a slew of other landmarks around the world—went dark to draw attention to climate change.

Wonders of nature inspire exotic man-made materials

In this month's edition of Physics World, a group of physicists describe how unique structures in the natural world are inspiring scientists to develop new types of materials with unprecedented properties.

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