Shot of New Zealand from Space Station

Image shows bottom on North Island and top of South Island - hey, Chris and Lisa - can almost see your place :) (Hanmer Springs - for those who don't know).

Global Warming Could Disrupt GPS Satellites, Study Says

(Source: National Geographic) A buildup of carbon dioxide in Earth's atmosphere could require changes in the way satellites are launched and might impact the function of global positioning systems (GPS), an international team of atmospheric scientists suggests. Networks of orbiting GPS satellites send signals back to Earth that allow everything from jetfighters to cell phones to pinpoint their exact locations.