News Stories relating to "climate change"
Tuesday, November 1, 2011
Can the sun cause cold weather? Cold winters that have dumped tons of snow on areas like the Northeastern US may have their origins in the sun's varying ultraviolet emissions. Recent satellite data shows that the sun's UV output is far more changeable than scientists had previously thought, and these changes lead to warmer winters in some places...
Wednesday, October 5, 2011
By now, climate change
is obvious to everyone except the most ardent deniers
. But the data collected by the Center on Climate Change and National Security remains classified. What are they...
Thursday, September 29, 2011
The planet's deep oceans at times may absorb enough heat to flatten the rate of global warming for periods of as long as a decade
even in the midst of longer-term warming. According to a new analysis led by the National Center for Atmospheric Research (NCAR),...
Monday, September 19, 2011
In past decade, almost 78,000 fires have burned almost 7 million acres in the US and Texas is burning right now
. There are several reasons for this: one of them has to do with climate change
, but the other may be invasive plant...
Monday, September 12, 2011
When it comes to climate change
, the answer is probably "no." Unknowncountry.com's Climate Watch
warned that extreme summer ice melt this year will be accompanied by methane outgassing that will, in...
Wednesday, September 7, 2011
Texas is home to presidential candidate Rick Perry, who denies global warming
, but parts of the state are burning
, due to a drought of historic proportions that has been intensified by excessive...
Tuesday, August 30, 2011
It's not cool to be fat, but fat people may be cool. Fat dogs are cool, and obese people may be, too. Psychologist Roberto Refinetti studied the relationship between body temperature and body weight in lean and obese dogs. His findings showed that obese dogs have lower body temperature than lean dogs, and the difference in temperature is enough to...
Monday, August 29, 2011
Due to Hurricane Irene, we're mostly hearing about flooding
in the US at the moment, but there is a drought of historic proportions going on in Texas right now. Climate change will lead to even more weather extremes in the future.
Tuesday, August 23, 2011
When it comes to climate change
, it turns out that volcanoes
may NOT be heating up the atmosphere--instead, they may function as a kind of natural air conditioning system. In order to stave off climate...
Monday, August 1, 2011
How deep is the ocean’s capacity to buffer against climate change
? Right now our oceans absorb almost one-third of all our greenhouse gas emissions. During the past three decades, increases in atmospheric carbon dioxide have largely been matched by...
Thursday, July 28, 2011
Scientists have been worried for years that the supervolcano
underneath Yellowstone will explode, but there's a more immediate concern about the health of that beautiful national park: Fire. ...
Wednesday, July 27, 2011
As if any further proof was needed that climate change is under way, as North America broils in brutal heat, South America is experiencing one of its coldest winters on record.
When researchers studied core sediments from a shallow boreal lake, they found that storm activity has...
Thursday, July 21, 2011
We're still releasing the potent greenhouse gas
methane into the atmosphere today, but there was a massive release in the past: About 55 million years ago, the Earth burped up a massive release of carbon dioxide into the atmosphere--an amount equivalent to burning...
Wednesday, July 20, 2011
The Arctic is melting
, but not everyone is worried--in fact, it's opening up large reserves of oil and minerals that are causing a "cold rush" by various countries who want to mine the area. It may even lead to a new "cold war:" The US recently...
Wednesday, June 29, 2011
This season's massive Arizona fires have destroyed dozens of structures and burned nearly three-quarters of a million acres. But they've also done something else: They also are contributing to global warming by upsetting the carbon balance while they are burning and for years to come. Trees breathe in carbon dioxide, but how long they hold onto it...
Thursday, June 23, 2011
Archeologists have found evidence from 20,000 to 30,000-year-old human skulls that both human height and brain size are shrinking. The cause of this? Farming. This shrinkage started about 10,000 years ago, when humans moved from the hunter-gatherer life to agriculture.
In PhysOrg.com, Deborah Braconnier writes, "While the change...
Tuesday, June 21, 2011
! Many people are relieved that this spring, which brought terrible weather
to many places, has past, and that summer is here. Does spring weather really change our behavior?...
Monday, June 13, 2011
It’s an unfamiliar neighborhood and you find yourself in the middle of a bunch of streets and buildings you’ve never seen before. Giving the environment a quick once-over, you make a snap decision about whether you’re safe or not. And chances are, that first "gut" call is the right one.
Monday, June 6, 2011
Bottlenose dolphins and beluga whales
accumulate more chemical pollutants
in their bodies when they live and feed in waters near...