"Extreme weather has thinned the nation's cattle herds, roiling the beef supply chain from rancher to restaurant."

"Passage Key became one of the first national wildlife refuges in 1905, boasting 30 acres of mangroves and an inland freshwater lake. Today, it sits under the water in Tampa Bay, only emerging at low tide as a small sandbar that is popular with seabirds -- and occasional trespassing nudists."

"The Obama administration released a comprehensive strategy document Wednesday aimed at reducing wildfires, which it says are being exacerbated by climate change."

"The chances have increased over the past month that the much-feared El Nino phenomenon, which has the potential to wreak havoc on global crops, would strike by summer in the Northern Hemisphere, the federal U.S. weather forecaster said Thursday."

"As temperatures continue to rise and habitats come under threat, a group of Hollywood heavyweights is seeking to bring the spotlight back on climate change with a new documentary."

"ALBUQUERQUE, N.M. — As temperatures climb across the Southwest, researchers have found some species will win, but others stand to lose — and lose big."

"Mini-storms of tumbleweed have invaded the drought-stricken prairie of southern Colorado, blocking rural roads and irrigation canals, and briefly barricading homes and an elementary school."

"The amount of carbon dioxide in the Earth's atmosphere has exceeded 402 parts per million (ppm) during the past two days of observations, which is higher than at any time in at least the past 800,000 years, according to readings from monitoring equipment on a mountaintop in Hawaii. Carbon dioxide, or CO2, is the most important long-lived greenhouse gas responsible for manmade global warming, and it is building up in the atmosphere due to the burning of fossil fuels such as coal, oil and natural gas."

"Despite a late-season boost from the cold weather patterns similar to those that blasted England with terrific storms in February, Arctic sea ice is still on a long-term decline, according to the National Snow and Ice Data Center."

"A March 20 Washington Post Web article and a March 21 print article stated that Koch Industries was the largest leaseholder in Canada’s oil sands. Further reporting has indicated that Koch Industries on a net acreage basis is the largest American and foreign holder of leases in Canada’s oil sands but it might narrowly trail two Canadian companies overall. ..."