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Presumably, even among the ill-informed ideologues at the White House, there are a few who have heard of sunspots. There may even be one who knows, as most informed persons do, of the correlation between sunspot activity and the earth's climate. But apparently no one has bothered to inform the president. When sunspot activity is high, as it was during the 1990s and early 2000s, temperatures tend to be high as well. When it is low, as it is now, temperatures fall. And because sunspot activity occurs in decades-long cycles, the unusually cold winter and spring of 2012 may be...

Latest data shows solar activity has been falling steadily since mid-1940sIllustration mapping the steady decline in sunspot activity over the last two solar cycles with predicted figures for the current cycle 24 The sun is acting bizarrely and scientists have no idea why. Solar activity is in gradual decline, a change from the norm which in the past triggered a 300-year-long mini ice age.Three leading solar scientists presented the very latest data about the weakening solar activity at a teleconference yesterday in Boulder, Colorado, organised by the American Astronomical Society. It featured experts from Nasa, the High Altitude Observatory and...

Some unusual solar readings, including fading sunspots and weakening magnetic activity near the poles, could be indications that our sun is preparing to be less active in the coming years. The results of three separate studies seem to show that even as the current sunspot cycle swells toward the solar maximum, the sun could be heading into a more-dormant period, with activity during the next 11-year sunspot cycle greatly reduced or even eliminated. The results of the new studies were announced today (June 14) at the annual meeting of the solar physics division of the American Astronomical Society, which is...

The sun is in the pits of a very deep solar minimum. Many researchers thought the sunspot cycle had hit bottom in 2008 when the sun was blank 73% of the time. Not so. 2009 is on the verge of going even lower. So far this year, the sun has been blank 75% of the time, and only a serious outbreak of sunspots over the next few weeks will prevent 2009 from becoming the quietest year in a century.

SUNSPOT 1025: A new sunspot emerged yesterday and interrupted a 51-day string of blank suns. It wasn't much of an interruption. Sunspot 1025 is small and may already be fading away.

Has Earth's fever broken? Official government measurements show that the world's temperature has cooled a bit since reaching its most recent peak in 1998. That's given global warming skeptics new ammunition to attack the prevailing theory of climate change. The skeptics argue that the current stretch of slightly cooler temperatures means that costly measures to limit carbon dioxide emissions are ill-founded and unnecessary. Proposals to combat global warming are "crazy" and will "destroy more than a million good American jobs and increase the average family's annual energy bill by at least $1,500 a year," the Heartland Institute, a conservative research...

"Yesterday, a sunspot emerged in the circled region, but it disappeared so fast that it did not receive an official number."

The Intergovernmental Panel on Climate Change (IPCC) is widely regarded in the media as the ultimate authority on climate change. Created by two divisions of the United Nations, and recipient of the 2007 Nobel Peace Prize, its pronouncements are received as if they come down from Mount Olympus or Mount Sinai. The common presumption is that the IPCC has assembled the best scientific knowledge. Let’s take a closer look at this organization to see whether it merits such uncritical deference. The IPCC’s Feb. 2007 report stated: It is “very likely” that human activity is causing global warming. Why then, just...

The sun is still in the pits of a deep solar minimum. Lately, however, attentive observers of solar activity have noticed a certain "busy-ness" on the solar disk.

Barron's: Bjorn, what do you think will be the outcome of the negotiations to curb global warming this December? Lomborg: The participating nations will again agree to spend quite a bit of money to cut carbon emissions and again achieve virtually nothing. We already tried that twice -- in Rio in 1992, and in Kyoto in 1997. Both of these treaties failed. We will see a lot of posturing, but presumably this isn't about having a lot of environmental ministries or even presidents and prime ministers come out and claim credit for making costly commitments that we won't be able...

<p>Other polls that ask Americans how they feel about a proposed "cap and trade" system to control pollution have tended to produce positive responses. But those surveys never seem to mention what such a system might cost. The latest IBD/TIPP Poll laid it all out in a somewhat lengthy question and drew a very different response: By nearly 3-to-1, Americans oppose a cap-and-trade system that, if opponents are correct, could add $800 to $1,200 per household to energy prices.</p>

MONDAY, May 11 (HealthDay News) -- Climate change isn't only bad for the Earth, it may be bad for your health -- especially if you have allergies or asthma. Global warming is making pollen seasons last longer, creating more ozone in the air, and even expanding the areas where insects flourish, putting more people with bee allergies at greater risk, experts say. [snip] Those changes will mean more people with allergies and asthma will suffer.

Nov. 7, 2008: After two-plus years of few sunspots, even fewer solar flares, and a generally eerie calm, the sun is finally showing signs of life. "I think solar minimum is behind us," says sunspot forecaster David Hathaway of the NASA Marshall Space Flight Center. His statement is prompted by an October flurry of sunspots. "Last month we counted five sunspot groups," he says. That may not sound like much, but in a year with record-low numbers of sunspots and long stretches of utter spotlessness, five is significant. "This represents a real increase in solar activity." Above: New-cycle sunspot group...

Magnetogram A new sunspot is emerging in the sun's northern hemisphere. After several months of almost-relentlessly blank suns, "this is like a breath of fresh plasma," says photographer Pete Lawrence who sends this picture from Selsey, UK. The magnetic polarity of the emerging spot identifies it as a member of new Sunspot Cycle 24.