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Image: August 2003 photo of Mars
NASA/ESA
Who wants to take a one-way trip to Mars?
A one-way trip to Mars sounds like something you'd wish on your worst enemy — yet more than 78,000 people have paid up to $75 for a chance to die on another planet. Three hopeful voyagers explain why.

INTERACTIVE
Image: Quiet sun
Climate Connections
It's still something of a puzzle, but the symptoms of global warming are strong as is the evidence for a significant manmade contribution. Check out the pieces and suggest your own additions.
Slideshows
Francesco Zizola / NOOR
Rising ocean levels threaten Maldives
The Maldives, the lowest-lying nation on Earth, is at risk of disappearing from the world map, scientists say.
Shadows Of Change Consequences Of Climate change
Stanley Greene / NOOR
Greenland’s shrinking ice hurts native tribe
The Inuit, who survived for centuries by hunting seals and whales, are watching their way of life disappear.
Jon Lowenstein / NOOR
Picturing Climate Change
View some of the causes and consequences of climate change from around the world.

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