Efforts to protect the North Atlantic right whale have gone high-tech with the creation of an iPad/iPhone application that can warn mariners when they approach an area where the highly endangered m

Presidential hopeful Mitt Romney broke with Republican orthodoxy on Friday by saying he believes that humans are responsible, at least to some extent, for climate change.

"I believe the world is getting warmer, and I believe that humans have contributed to that," he told a crowd of about 200 at a town hall meeting in Manchester, New Hampshire.

"It's important for us to reduce our emissions o