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NOAA's reanalysis shows no slowdown in rising temperatures over the past 15 years, undercutting a favorite argument of climate change skeptics. A reported pause in global warminga€”a mystery that has vexed scientists and delighted contrariansa€”was an illusion based on inadequate data, U.S. In the new report, NOAA's team focused on an ever changing network of thousands of temperature-monitoring stations on land and on ships and buoys at sea around the world. NOAA's new analysis suggests that faulty numbers led to that assumption, which triggered widespread repercussions in the science and politics of climate change. Oreskes and a colleague counted more than 80 papers seeking to explain the hiatus and published in peer-reviewed journals. WATCH: Jerry Meehl, from the National Center for Atmospheric Research, explains the data that shows our global temperature is, indeed, increasing.
Gavin Schmidt, director of NASA's Goddard Institute for Space Studies, who was not involved in the new study, says it is interesting that tiny changes in data could erase the hiatus entirely. But the new paper still leaves room for doubt among both researchers and those who dispute global warming in the political realm. I don't regard it as a particularly useful contribution to our scientific understanding of what is going on.
In the new report, the NOAA team took into account that there are far more temperature-reading buoys deployed in the world's seas today than decades ago. Also, the team corrected for a mistaken assumption that commercial ships since World War II measured ocean temperatures through ship engine intakes. Adjustments to all of these anomalies in temperature gathering add up to what scientists believe is a more accurate picturea€”and one that shows consistent, unrelenting warming, the NOAA researchers say. If global warming turns more than half the Amazon rain forest (pictured) into something other than rain forest by 2200, the change "will lead to potentially dangerous climate change," according to most of the climate experts who participated in a survey about global warming "tipping points" released on March 16, 2009. Tipping points occur when a small change in one factor, a "driver," can cause a disproportionately large response in an overall system. In the Amazon Basin, climate shifts may lead to less rainfall, causing a large loss of species diversity--crippling the forest's ability to help maintain the region's air quality, fresh water cycle, and atmospheric circulation.
Between 2005 and 2006, 43 international climate experts volunteered to evaluate each of five tipping points, presented here--specifically, judging the likelihood that achieving a tipping point would lead to potentially dangerous global warming. Experts judged the likelihood of these tipping points to strongly increase with scenarios of potentially low, medium, and high levels of future global warming, according to the study in the journal Proceedings of the National Academy of Science this week. Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. Panasonic announces a new venture with National Geographic, the world-renowned scientific and educational organization, to support the global research explorations conducted by National Geographic's Emerging Explorers and Young Explorers.


National Geographic has long fascinated the world with breathtakingly beautiful photos of its global explorations -- chronicling nature, peoples and culture. National Geographic Emerging Explorers are visionary, innovative scientists and trailblazers who are pushing the boundaries of discovery, adventure and global problem-solving while early in their careers. Panasonic Corporation Eco Solutions Company ("Panasonic") organized an event that catered to women who are into DIY, "Girls, Impact the World," in the Canyon Court located on the second floor of Namba Parks, Osaka, Japan, for 3 days from March 29 to 31, 2016. Osaka, Japan - Panasonic Corporation has launched an original global dance contest, "Loop the Groove" from April 1, 2016 featuring eneloop rechargeable batteries. The content in this website is accurate at the time of publication but may be subject to change without notice. Listed as critically endangered by IUCN, elkhorn coral once formed the backbone of many Caribbean coral reefs.
December 14, 2009--Like polar bears, ringed seals (above, a newborn rests in the snows of Nunavut, Canada) depend on summer sea ice in the Arctic for their survival. That's one of the reasons the seals, along with arctic foxes, emperor penguins, and beluga whales, are among ten "flagship" species named in a new report by the International Union for Conservation of Nature (IUCN), which highlights the diversity of global warming's impacts on wildlife.
Many of the species featured in the new report, released today at the Copenhagen climate change conference, already appear on IUCN's Red List of Threatened Species for other reasons, such as habitat destruction and overharvesting. An in-depth analysis of ten climate indicators all point to a marked warming over the past three decades, with the most recent decade being the hottest on record, according to the latest of the U.S. The report focused on climate changes measured in 2009 in the context of newly available data on long-term developments. And for the first time, scientists put data from climate indicatorsa€”such as ocean temperature and sea-ice covera€”together in one place.
Three hundred scientists analyzed data on 37 climate indicators, but homed in on 10 that the study says are especially revealing. As scientists would predict in a hotter world, some of the indicatorsa€”such as ocean heat content and temperature over landa€”are increasing.
The influx of greenhouses gases into the atmosphere has also hit oceans particularly hard, the NOAA report says.
New evidence suggests that more than 90 percent of that heat trapped by greenhouses gases over the past 50 years has been absorbed into the oceans. Because water expands as it warms, the added ocean heat is contributing to sea level rise as well as to the rapid melting of Arctic summer sea ice. Such climatic shifts are already ushering in extreme weather, which plagued much of the globe in 2009, according to the report. A new analysis of global sea and land temperatures shows there has been no pause in warming.


The scientists replotted average annual surface temperatures since 1880 while accounting for changes and quirks in the readings, particularly anomalies from ocean ships and buoys.
We can try to soften it, but the reality is that there is no statistically significant hiatus, and there never has been.
We can try to soften it, but the reality is that there is no statistically significant hiatus, and there never has been," says Harvard science historian Naomi Oreskes. He points out that any look at how temperatures change over time is an estimate, so as more measurements are taken, understanding of potential biases improves and corrections are to be expected.
Judith Currya€”a professor at Georgia Institute of Technology's School of Earth & Atmospheric Sciences who has argued that temperature records have significant gapsa€”said by email that she is not convinced that NOAA's new methods have produced a more accurate view of the warming trend.
The buoy readings over time have been found to be more accurate, so the buoys are given more weight in the new data set.
NOAA's team now says many ships still measure ocean temperature the old-fashioned waya€”by lowering buckets into the water, much as young Benjamin Franklin did when he tried to chart the Gulf Stream on his trans-Atlantic journeys. The research and conservation activities of National Geographic to preserve these assets have helped to raise awareness of global conservation in people worldwide.
The Young Explorers Grants program supports individuals between the ages of 18 and 25 in their pursuit of research, exploration and conservation-based field projects.
Please note therefore that these documents may not always contain the most up-to-date information. No one knows what will happen to the seals and other species if polar summer ice completely disappears due to global warming--which may occur in the Arctic by 2040, experts say.
That melting in 2010 is on track to be worse than 2007, when Arctic ice cover reached its lowest point on record. Their conclusion confirms that unrelenting warming has occurred since the mid-20th century, according to the study published in the journal Science. We don't see a hiatus," says co-author Russell Vose, chief of the climate science division at NOAA's National Centers for Environmental Information. Warm ocean temperatures stress the corals, causing them to eject their energy-providing, color-infusing algae in an often fatal "bleaching" process.



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