June 2010 was the hottest June on record around the world, besting the 20th century average by 1.22°F. This according to the National Oceanic and Atmospheric Administration (NOAA) Nat’l Climatic Data Center. What’s more, 2010 is poised to possibly be the hottest year on record. NOAA has regularly collected detailed land and ocean surface temperatures. Heat waves are an environmental and public health concern. In addition to causing deaths among elderly and other individuals, heat waves threaten food supplies from crop failures and other impacts. They also cause massive amounts of energy use to keep homes and buildings cool. Read how heat waves in the East Coast could become common in the US.