Sep 10, 2013 — It's still officially wintertime in Buenos Aires, but the city is in a record heat wave. Tuesday's high was 34.4 degrees Celsius (94 degrees Fahrenheit), the hottest September temperature since 1940.
Jul 1, 2013 — The temperature in Death Valley — where the temperature reached 134 degrees in 1913, the hottest temperature ever recorded on Earth — hit 128 degrees Sunday. That mark set a record high for the month of June in the United States.
Jun 28, 2013 — Before noon on Friday, temperatures in parts of southeastern California, Nevada and Arizona had already topped 100 degrees. The National Weather Service says nighttime lows may not dip below 90.
Sep 10, 2012 — Emerging science shows that people respond more favorably to warnings about climate change when it's portrayed as a health issue rather than as an environmental problem. Should the symbol for danger be a child instead of a polar bear?
Jul 18, 2012 — The designation means many farmers will qualify for emergency loans. By some measures, the drought is the worst the nation's suffered in more than 50 years.
Jul 13, 2012 — Researchers say there's no evidence electric fans actually provide relief in a heat wave. So they're calling for more research, even though heat waves are hard to predict and even harder to study once they hit.
Jul 11, 2012 — What happens if you can't store medicines at the recommended temperature? A pharmacist explains why drugs need to be kept cool and dry and what happens if they aren't.
Jul 9, 2012 — Temperatures fell by 15 degrees or more on Sunday in cities from the midwest to the mid-Atlantic. After more than a week in the low 100s, forecasters say most of the U.S. will be more seasonable in coming days.
Jul 6, 2012 — Thousands of communities have sweated through record high temperatures in recent weeks. That's why maps of the nation are covered in red. See where. Actually, it may be easier to see where temperatures haven't been broken.
Jul 3, 2012 — From the Great Lakes through the Mid-Atlantic, there's no relief from the heat in sight. Meanwhile, utility crews are struggling to get power to those who lost it because of the huge damage caused by Friday's severe weather.