Today is election day in the US, but climate change should have been on the campaign agenda months ago. It shouldn't take a disaster like superstorm Sandy to finally bring it back into the conversation.
Several factors, including La Niña events, have contributed to the expanded drought, meteorologists say. Conditions in the West may be setting up for a 'megadrought' by century's end, researchers warn.
Daniel Hillel developed a system called micro-irrigation, which has opened up dry regions to farming, revolutionizing agriculture worldwide. The Israeli scientist has worked closely with Arab friends in Jordan, Egypt, and the United Arab Emirates.
The latest global warming results confirm those from earlier, independent studies by scientists at NASA and elsewhere that came under fire from skeptics in an episode known as 'climategate.'
NASA is set to launch satellite Glory early Wednesday. It will measure incoming sunlight and atmospheric particles, both key to crafting better climate models.