PBS
Pbs: Journey to Planet Earth: Rivers of Destiny
Journey to four major river systems - the Mississippi, Amazon, Jordan and Mekong rivers - and take a look at the challenges happening to the people whose livelihood hinges around them.
Khan Academy
Khan Academy: Jericho
The history of Jericho is rich and complex, punctuated with the same parade of triumphs and tragedies that so many other ancient cities have experienced. But Jericho's status as the most ancient city on Earth makes it unique. This...