Most people associate the Nile with Egypt, but the river also flows through South Sudan, where much of it is bordered by jungle. That makes it a excellent destination for rafting and wildlife enthusiasts, says travel guide author Max Lovell-Hoare.
Meteorologist Eric Holthaus has made his career monitoring the Earth's climate, and he's alarmed at what he sees. After reading a new, bleak international report on climate change, Holthaus has decided one important way to reduce his carbon footprint is to give up airplane travel for good.
Americans started thinking differently about U.S. dependence on imported oil 40 years ago this Sunday. Decades later, the U.S. is in the midst of a homegrown energy boom.
The oil embargo began in 1973. The United States had long taken cheap and plentiful oil for granted when Saudi Arabia shocked the country by suddenly cutting off all direct oil shipments in retaliation for U.S. support of Israel. Other Arab countries followed suit.
Prices soared. Gasoline lines stretched for blocks. Richard Nixon became the first of many U.S. presidents to call for energy independence.