New research confirms that human footprints found in New Mexico two years ago date back more than 20,000 years, to the last time that glaciers covered most of North America.
Global warming could repeat past instances of heavy floods in Ladakh, calls for serious planning, warns study tribuneindia.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tribuneindia.com Daily Mail and Mail on Sunday newspapers.