India, Feb. 4 -- The Winter Olympics have shifted from fully outdoor events reliant on natural snow to highly engineered, climate-controlled competitions

Scientists say many past host cities may no longer have a reliable climate for the Games by mid-century or beyond

Snowmaking, refrigeration and indoor venues can only go so far in a warming and more humid world

How countries respond to climate change will determine whether the Winter Games can survive another century

Watching the Winter Olympics is an adrenaline rush as athletes fly down snow-covered ski slopes, luge tracks and over the ice at breakneck speeds and with grace.

When the first Olympic Winter Games were held in Chamonix, France, in 1924, all 16 events took place outdoor...