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"Call it the mystery of the missing thermometers. Two months after "climategate" cast doubt on some of the science behind global warming, new questions are being raised about the reliability of a key temperature database, used by the United Nations and climate change scientists as proof of recent planetary warming. Two American researchers allege that U.S. government scientists have skewed global temperature trends by ignoring readings from thousands of local weather stations around the world, particularly those in colder altitudes and more northerly latitudes, such as Canada. In the 1970s, nearly 600 Canadian weather stations fed surface temperature readings into a global database assembled by the U.S. National Oceanic and Atmospheric Administration (NOAA). Today, NOAA only collects data from 35 stations across Canada. Worse, only one station -- at Eureka on Ellesmere Island -- is now used by NOAA as a temperature gauge for all Canadian territory above the Arctic Circle. The Canadian government, meanwhile, operates 1,400 surface weather stations across the country, and more than 100 above the Arctic Circle, according to Environment Canada. Yet as American researchers Joseph D'Aleo, a meteorologist, and E. Michael Smith, a computer programmer, point out in a study published on the website of the Science and Public Policy Institute, NOAA uses "just one thermometer [for measuring] everything north of latitude 65 degrees." Both the authors, and the institute, are well-known in climate-change circles for their skepticism about the threat of global warming. Mr. D'Aleo and Mr. Smith say NOAA and another U.S. agency, the NASA Goddard Institute for Space Studies (GISS) have not only reduced the total number of Canadian weather stations in the database, but have "cherry picked" the ones that remain by choosing sites in relatively warmer places, including more southerly locations, or sites closer to airports, cities or the sea -- which has a warming ef

Jan. 2 (Bloomberg) -- The U.S. East Coast faces the coldest night of the season as frigid air spills south and threatens agriculture in Georgia, Alabama and the orange crop in Florida. Freeze warnings were posted by the National Weather Service as far south as the Orlando area, which may be as many as 20 degrees below normal tonight, the National Weather Service said. The advisory alerts growers that subfreezing temperatures are imminent and may kill crops or other sensitive vegetation. Tampa and others cities in the central part of the state are under a freeze warning from 1 a.m. to 9 a.m. local time tomorrow. Temperatures may fall below 32 degrees Fahrenheit (zero Celsius) for more than three consecutive hours, the National Weather Service in Tampa said on its Web site. "This is a pretty significant cold snap," Matt Keefe, a meteorologist with AccuWeather.com Inc. in State College, Pennsylvania, said in a telephone interview. "This could really put a hurting on the citrus crop." He said the jet stream, which normally keeps the coldest air north of the Hudson Bay in Canada, is centered over parts of Alabama and Mississippi. "The cold temperatures could last for a good part of the week," he said. Jacksonville, Florida, may see a record low tonight, Keefe said. The Miami area will see temperatures 12 degrees to 13 degrees below normal for this time of year, Keefe said. Tonight will be the coldest and offer the greatest danger of crop damage, Keefe said. The next chance for freezing will come next week.

"DES MOINES, Iowa - Snow was piled so high in Iowa that drivers couldn't see across intersections and a North Dakota snowblower repair shop was overwhelmed with business as heavy snow and wind chills as low as 52 below zero blasted much of the Midwest on Thursday. Frigid weather also gripped the South, where a rare cold snap was expected to bring snow and ice Thursday to states from South Carolina to Louisiana. Forecasters said wind chills could drop to near zero at night in some areas. In Bowbells, in northwestern North Dakota, the wind chill hit 52-below zero Thursday morning. "The air freezes your nostrils, your eyes water and your chest burns from breathing - and that's just going from the house to your vehicle," said Jane Tetrault, the Burke County deputy auditor. Her vehicle started, but the tires were frozen. "It was bump, bump, bump all the way to work with the flat spots on my tires," Tetrault said. "It was a pretty rough ride." Other parts of the Midwest also had dangerously cold wind chills, including negative 40 in parts of South Dakota and minus 27 in northeast Nebraska, according to the National Weather Service. Equally disturbing chills were expected overnight Friday."

"MONTPELIER, Vt. - Snow falling like New Year's confetti joined forces with a chill that dipped deep to the South on Monday to close schools, delay commuters, threaten fruit farmers and shut down at least one nuclear power plant. A weekend snowstorm dumped an all-time record of more than 33 inches on Burlington, the largest city in Vermont. That broke a single-storm record of nearly 30 inches set in 1969. "It just dropped a tremendous amount of snow," said Steve Goodkind, public works director for the city of Burlington, which had a dozen plows and nine sidewalk snow removers out Monday. "It looks like mid-January, after we'd have a bunch of smaller storms." Most Vermonters took it in stride. Others took it too far: Vermont State Police cited a man after stopping him pulling a sled - with a rider in it - behind his car on Interstate 89 on Sunday. The driver was cited for driving with a suspended license. In upstate New York, it was a similar scene. So-called "lake effect snow" blanketed parts of the state with more than 3 feet. Fulton, in Oswego County, had received 42 inches since last Friday night, while Williamson, which is on Lake Ontario east of Rochester, got nearly 27 inches, according to the National Weather Service."

"The snow is expected to start falling during the late afternoon in the South East and get very heavy by the evening. With Arctic temperatures affecting the whole of the country the National Grid was forced to issue an alert for just the SECOND time in history. The National Grid warned power suppliers to use less gas after seeing a 30 per cent rise on normal seasonal demand during the cold snap. But Prime Minister Gordon Brown today denied the country was facing a gas supply crisis. During a visit to the London Gateway port construction site, near Thurrock, Essex, the PM said: "I think Britain can deal with these problems. "There are always difficulties when we have a long spell of bad weather. But we can cope." "

"World Health Organization Director-General Margaret Chan says she is disappointed a deal on climate change was not struck in Copenhagen. But she says important steps were taken that, she believes, will ultimately result in an agreement to stop or retard climate change. She says the relationship between climate change and health is obvious. For example, she says millions of people will suffer from either too much water or too little water under climate change. Chan says extensive flooding may lead to loss of life from drowning and disease. She says contaminated floodwaters can cause fatal illnesses, such as diarrhea and cholera. On the other hand, she says some areas will have too little water and prolonged drought will affect the kind of crops people normally grow. "The prediction is that in the next 20 years to 30 years, if the situation continues to get worse, the productivity from the agricultural sector and from subsistence farming in Africa, the production would reduce by as much as 50 percent," she said. "If there is any truth to that, can you imagine the impact on hunger, on acute and chronic malnutrition?" Scientists say the warming of the planet will be gradual, but that extreme weather events will increase in frequency and intensity. They say the effects of more storms, floods, droughts and heat waves will be abrupt and profound. The World Health Organization says the effects of so-called climate-sensitive diseases already are killing millions of people. WHO reports more than three-and-a-half million people die every year from malnutrition-related causes. It says diarrhea-related diseases kill nearly two million people and almost one million die from malaria."

"Now that Copenhagen is past history, what is the next step in the man-made global warming controversy? Without question, there should be an immediate and thorough investigation of the scientific debauchery revealed by "Climategate." If you have not heard, hackers penetrated the computers of the Climate Research Unit, or CRU, of the United Kingdom's University of East Anglia, exposing thousands of e-mails and other documents. CRU is one of the top climate research centers in the world. Many of the exchanges were between top mainstream climate scientists in Britain and the U.S. who are closely associated with the authoritative (albeit controversial) Intergovernmental Panel on Climate Change. Among the more troubling revelations were data adjustments enhancing the perception that man is causing global warming through the release of carbon dioxide (CO2) and other atmospheric greenhouse gases. Particularly disturbing was the way the core IPCC scientists (the believers) marginalized the skeptics of the theory that man-made global warming is large and potentially catastrophic. The e-mails document that the attack on the skeptics was twofold. First, the believers gained control of the main climate-profession journals. This allowed them to block publication of papers written by the skeptics and prohibit unfriendly peer review of their own papers. Second, the skeptics were demonized through false labeling and false accusations. Climate alarmists would like you to believe the science has been settled and all respectable atmospheric scientists support their position. The believers also would like you to believe the skeptics are involved only because of the support of Big Oil and that they are few in number with minimal qualifications."

"The world could be in for a spell of cooler temperatures, rather than hotter conditions, as a result of cyclical changes in ocean currents for the next 20 or 30 years, it is predicted. Research by Professor Mojib Latif, one of the world's leading climate modellers, questions the widely held view that global temperatures will rise rapidly over the coming years. Pen Hadow climate change trek makes it less than half way to North Pole But Prof Latif, of the Leibniz Institute at Germany's Kiel University and an author for the UN's Intergovernmental Panel on Climate Change (IPCC), believes that the cool spell will only be a temporary interruption to climate change. He told a UN conference in September that changes in ocean currents known as North Atlantic Oscillation could dominate over man-made global warming for the next few decades. Controversially, he also said that the fluctuations could also be responsible for much of the rise in global temperatures seen over the past 30 years. Prof Latif told one newspaper at the weekend: "A significant share of the warming we saw from 1980 to 2000 and at earlier periods in the 20th Century was due to these cycles - perhaps as much as 50 per cent. "