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 ...

Image: Third Bosphorus Bridge progress

These 17 images from the Sentinel-2A satellite show a year of progress on the Third Bosphorus Bridge in Istanbul, Turkey.

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.

Lights out in Australia as Earth Hour kicks off

The Sydney Harbour Bridge and the sails on the nearby Opera House went dark Saturday, as lights on landmarks around Australia were switched off for the global climate change awareness campaign Earth Hour.

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