In 2007, we saw the smallest summertime Arctic ice extent since record keeping began. As summer 2012 begins, ice is melting faster now than at this same time in 2007.
It was a warm Northern Hemisphere spring, overall, according to the State of the Climate Global Analysis from NOAA and the National Climatic Data Center of May 2012.
Officials preparing for Rio+20 have identified seven critical issues to ensuring global sustainability: jobs, energy, cities, food, water, oceans and disaster readiness.
North America and most of Europe could see a global fire risk by century's end. But fire activity could decrease around equator, because of increased rainfall.
Hurricane Carlotta is getting closer to the Pacific coast of Mexico and is gaining strength. All residents should be weather ready for this intensifying storm.