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Chemistry World September 27, 2007 Simon Hadlington |
Scientists Uncover How Last Ice Age Ended Scientists have shown that the end of the last age 19,000 years ago began in the higher latitudes of the southern hemisphere before sweeping into the tropics. |
Chemistry World January 23, 2013 |
Chemical climate proxies With the climate change debate as heated as ever, how do scientists reconstruct what the weather was like in the past? Jon Evans looks at the detective chemistry behind such environmental forensic work |
Geotimes April 2007 Carolyn Gramling |
Wallace Broecker: Changes in the Atmosphere An interview with an expert on issues of climate change about his experiences advising politicians about the consequences of climate change and his hopes for new technologies of carbon sequestration. |
Geotimes December 2005 Kevin E. Trenberth |
A Warming World Climate change is with us; we cannot stop it, although we can slow it down. It behooves us therefore to track how and why the climate is changing. |
Geotimes November 2006 Margaret Putney |
Ice Reveals Polar Temperature Seesaw A new ice core from Antarctica directly correlates abrupt changes in Greenland's climate over the last 150,000 years with counterpart changes in Antarctica -- offering further indication that the two icy regions are connected by ocean currents in a sort of bipolar seesaw. |
Geotimes July 2007 Kathryn Hansen |
Ancient Ocean Burps A sediment core extracted from the ocean floor off the coast of Baja, Calif., indicates two "burps" of carbon dioxide were once released from a deep, stagnant part of the ocean. |
Geotimes March 2005 Naomi Lubick |
Paleo-Antarctic Puzzle Even though Antarctica was at the south pole around 35 million years ago, it was warm and relatively ice free. What exactly caused its shift to a deep freeze has long puzzled paleoclimatologists. |
Scientific American July 2008 Peter Brown |
NASA Satellites Watch Polar Ice Shelf Break into Crushed Ice Ice is melting at the poles much faster than climate models predict. |
Geotimes August 2006 Megan Sever |
From Hot to Cold in the Arctic For the first time, scientists have recovered direct evidence of what life in the Arctic has been like for the past 56 million years. A new 400-meter-long sediment core is revealing that all in the Arctic has not always been as it seems. |
Geotimes October 2005 Kathryn Hansen |
Greenhouse Gases Revisited Scientists say now that a new method of tracking the effects of greenhouse gases could lead to a more accurate understanding of their impact on climate change, which other scientists say the Arctic is already experiencing on a dramatic scale. |
Geotimes November 2004 Naomi Lubick |
Past warming for the future As the Bush administration prepares for a second term, only time will tell how its climate change policy will change in the next four years. In the meantime, discussions of the science behind climate changes abound in the journals and within the scientific community. |
Geotimes January 2007 Margaret Putney |
Ice Reveals Polar Temperature Seesaw A new ice core from Antarctica directly correlates abrupt changes in Greenland's climate over the last 150,000 years with counterpart changes in Antarctica -- offering further indication that the two icy regions are connected by ocean currents in a sort of bipolar seesaw. |
Geotimes February 2005 Naomi Lubick |
Virtual Climate Experiment's Results A worldwide global climate experiment that ran on tens of thousands of personal computers across the planet offered the most extreme scenario yet for global warming. |
Geotimes October 2007 Moran & Backman |
The Arctic Ocean: So Much We Still Don't Know In 2004, the Arctic Coring Expedition team took three ships to the Arctic to drill a core near the Lomonosov Ridge. The team's results are teaching us more than we ever knew about the past 65 million years in the Arctic. |
Geotimes March 2006 Powell et al. |
Drilling Back to the Future Antarctica plays a fundamental role in sea-level change and ocean chemistry, and has the potential for important societal impacts over human timescales. |
Wired February 25, 2008 Peter Schwartz |
Humans Have Been Changing the Climate for Eons. That's Reason for Hope. Our epoch needs a new name. Scientists like Anthropocene to represent the era when people started messing up nature. |
Smithsonian October 2006 Anne Bolen |
Life in the Field - Frozen in Time Glaciers in the Pacific Northwest have recorded hundreds of years of climate history, helping researchers plot how quickly the planet is warming. |
IEEE Spectrum May 2007 William B. Gail |
Climate Control We will be able to engineer the Earth to our liking -- but we'd better start now. Before we picked a climate, we would need to evolve the political, commercial, and academic institutions to get us there. |
Geotimes May 2004 Sara Pratt |
Ice in the Greenhouse? The greenhouse world of the Late Cretaceous, long thought to be ice-free, may have been chillier than previously predicted. |
Geotimes March 2006 |
Geomedia Geoscience Arts: Antarctica Through the Eyes of Writers and Artists... Television: Brewing Intelligent Design... Books: Trapped in the Ice... Plows, Plagues, and Petroleum: How Humans Took Control of Climate... |
Chemistry World August 2008 |
Cold chemistry Intrepid researchers will brave the harshest conditions in the name of science. Ned Stafford talks to some of Antarctica's chemists |
Science News May 9, 2009 |
Science Past From The Issue Of May 9, 1959 Scientists predict 25% increase in carbon dioxide by the year 2000. |
Geotimes September 2006 Lee Gerhard |
Testing Global Warming Hypotheses Global climate change has been a natural phenomenon driven by natural processes for 4.5 billion years. Nevertheless, cultural pressures exist to identify a human cause for current global climate change. |
Geotimes November 2004 Dickens & Pinsker |
Methane Hydrate and Abrupt Climate Change Conceivably, we live in a world with an enormous amount of gas hydrate and free gas that affects climate and global systems over time |
Geotimes September 2004 Megan Sever |
Slower Cooling in Oregon New research suggests that the climate in Oregon slowly cooled over 6 million years as a result of evolving grasslands pulling carbon dioxide out of the air and locking the carbon into the soil. |
Reason October 2005 Sallie Baliunas |
Full of Hot Air Book review: A climate alarmist takes on "criminals against humanity" in Boiling Point: How Politicians, Big Oil and Coal, Journalists and Activists Are Fueling the Climate Crisis -- And What We Can Do to Avert the Disaster, by Ross Gelbspan. |
Geotimes May 2005 Naomi Lubick |
Heat Imbalance Portends Problems Results from a new assessment show that Earth is absorbing more energy than it releases into space, with implications for climate change that researchers say point to future warming with consequences for melting ice sheets and sea-level rise. |
Geotimes October 2005 Megan Sever |
Carbon's Complicated River Ride Researchers recently found that carbon moves from the atmosphere, through trees, soil and water, and back into the atmosphere in fewer than five years, indicating that the landscape is not providing as much long-term storage of carbon dioxide as hoped. |
Science News February 14, 2009 Lonnie Thompson |
Receding Glaciers Erase Records Of Climate History Ice masses on the tops of mountains -- sticking out in the free atmosphere -- have been collecting climate data and storing them, in many cases for very long periods. |
Wired April 2000 Oliver Morton |
Ice Station Vostok The fast track to the moons of Jupiter - and the key to life on Earth - is a prehistoric lake nearly three miles beneath the Antarctic ice cap. |
Reason November 2008 |
Letters Letters to the Editor: Carbon: tax, trade, or deregulate?... |
Chemistry World March 2006 Katie Gibb |
Extreme Analysis High pressures, cold temperatures and inaccessible samples all make analytical work challenging for chemists. Science still has a lot to gain from studying and working in extreme environments. |
Popular Mechanics May 1, 2009 Andrew Moseman |
Ice Sculptures for Science: Chain Saws, Pickaxes, Methane Hydrates and Climate Change One of the greatest unknowns regarding the future pace of climate change involves a source of greenhouse gases we can't even see, let alone control. |
Geotimes December 2006 |
Top Climate News Stories of 2006 A new public face for climate change... Strong debate over storms... Thawing ice shifts water cycles... Methane climate menagerie... etc. |
Geotimes April 2007 Katherine Unger |
Two Continents, One Conclusion A sharp change in climate tens of millions of years ago was global, not regional as previously thought, according to two new studies. That could have implications for global climate change in the modern world, researchers say. |
Popular Mechanics June 12, 2009 Jerry Beilinson |
Climate Change Solutions: Live From World Science Festival 2009 The roundtable session, called "Carbon Conundrum," took place in front of an audience of about 150 on day two of the World Science Festival. |
Geotimes July 2005 Megan Sever |
Carbon Leaching Out of Siberian Peat New research is showing that as temperatures rise across the Arctic, carbon once locked up in permafrost soils may begin escaping into the area's waterways. |
Chemistry World November 19, 2014 Rebecca Trager |
Watching carbon dioxide's globetrotting New high-resolution simulations depicting how local geography affects the transport of carbon dioxide in the Earth's atmosphere have been created by NASA. |
Geotimes February 2007 Sally Adee |
Escape From Snowball Earth Early Earth didn't do things half-way: It may or may not have ever been a solidly frozen "snowball" in the deep geological past, but it was never a half-frozen ball of slush, according to a new study. |
Smithsonian August 2005 Laura Helmuth |
Phenomena and Curiosities: Baked Alaska A unique study documents the disappearance of Alaska's glaciers, blamed on global warming. |
National Defense February 2009 Grace V. Jean |
Getting to the Bottom of Global Warming -- From Space The first of several satellites designed to monitor Earth's greenhouse gases has reached orbit and will begin collecting data in the coming months. |
Smithsonian July 2007 J. Madeleine Nash |
Chronicling the Ice Long before global warming became a cause celebre, Lonnie Thompson was extracting climate secrets from ancient glaciers. He finds the problem is even more profound than you might have thought. |
Geotimes March 2006 Naomi Lubick |
Ice Hunter: Q&A With Lonnie Thompson An interview with glaciologist and Byrd Polar Research Center scientist Lonnie Thompson about what it mean to hunt ice and about some his current work. |
Popular Mechanics February 19, 2010 Trevor Williams |
On Thick Ice: Live From An Antarctic Drilling Trip The Integrated Ocean Drilling Program is exploring the ocean floor around Antarctica to learn how the ice sheet reacted in warmer climates of the past and how they might respond to future warming. |
Geotimes February 2006 Naomi Lubick |
Trees Confound Global Warming The potential canceling-out effects of trees' low reflectivity for carbon sequestration raise questions as to whether tree planters should get carbon credits in North America, as outlined in the Kyoto Protocol. |
Popular Mechanics February 23, 2009 Andrew Moseman |
Can NASA's New Climate Detective Find the Missing CO2? Early Tuesday morning, a Taurus XL rocket will ferry a CO2 sniffing satellite, the Orbiting Carbon Observatory, into space, where it will try to unlock secrets of Earth's carbon cycle. |
Geotimes February 2007 Nicole Branan |
Shifting Winds Shift Warming Trends? New model simulations indicate that a poleward shift in the Southern Hemisphere westerly winds could cause the Southern Ocean's carbon dioxide and heat uptake to increase by up to 20%. |
Chemistry World April 2007 Mark Peplow |
Editorial: Swindled? The bottom line is that just a few degrees increase in global average temperatures is likely to have a severe impact on human life. The silver lining of anthropogenic climate change is that, being man-made, at least we stand a chance of doing something about it. |
Geotimes November 2003 Sara Pratt |
Stuck between a rock and a cold place A stalagmite mined from an island cave in the Indian Ocean suggests that the ages currently assigned to the gold standard of ancient climate records -- the Greenland ice cores -- need revision for the period between 55,000 and 42,000 years ago. |
Industrial Physicist Aug/Sep 2004 Forest, Webster & Reilly |
Narrowing uncertainty in global climate change Unknowns hamper the initiation of climate-mitigation policies. |