Taxonomy term

climate change

The thrill to drill in the chill

Nearly 3.6 million years ago, a large asteroid slammed into Earth in what is today northeastern Russia. Within minutes, the impact formed an 18-kilometer-wide hole in the ground that then filled with water.

20 Jul 2010

Local coastal impacts underestimated from sea-level rise

Most studies indicate that sea levels will rise over the next century due to melting glaciers, more ice breaking off the Antarctic ice sheet and thermal expansion — and there is great variation in how much scientists estimate seas will rise. But that’s not even the most important question, according to a new study. Instead, researchers should be looking at relative sea-level rise — how much rising seas will affect individual regions. And when you break it down by region, the study suggests, the outlook isn’t promising.

09 Jul 2010

Hazardous Living: Climategate climatologists cleared of wrongdoing

Last November, a thousand private e-mails between prominent climatologists were hacked, resulting in a brouhaha that threatened to discredit the work presented in the Nobel Prize-winning Intergovernmental Panel on Climate Change’s Fourth Assessment Report.

08 Jul 2010

Shell-shocked: How different creatures deal with an acidifying ocean

To survive in the ocean, soft-bodied organisms must possess one of five traits: big teeth, toxic flesh, invisibility, quickness or a hard shell. Most marine organisms that employ the latter, called calcifiers, build their hard shells from the mineral calcium carbonate. However, increasing atmospheric carbon dioxide levels are making the oceans more acidic — which, in turn, is reducing the concentration of carbonate ions dissolved in seawater that organisms use to build their protective shells and skeletons.

10 Mar 2010

Termites and climate change: Here, there and everywhere?

Will climate change allow termite populations in North America to spread?

16 Feb 2010

What makes a disaster? Does this blizzard count?

Blogging on EARTH

Actually, this is a meta-blog: A blog about a blog.

Not had enough of the snow yet?

11 Feb 2010

Voices: If global warming is real, why is it snowing in DC?

Over the last week, I’ve heard a lot of people say, “If global warming is real, why is it still snowing in Washington, D.C.?”

Well, I have a response: It’s weather, not climate.

11 Feb 2010

Blogging on EARTH: "Climategate" scientist tells his side

SAN FRANCISCO: In November, hackers broke into the e-mail server of the University of East Anglia’s Climate Research Unit and stole thousands of e-mails dating back to 1996 written by and to climate scientists. The e-mails, which were then leaked to the public, contained the typical stuff of science (and of e-mails, for that matter): amid discussions of data and theory, there was debate, confusion, flippancy, dark humor and questioning.

17 Dec 2009

Blogging on EARTH: A proposed twist on carbon trades at AGU

SAN FRANCISCO: In the ongoing climate negotiations, one issue that keeps coming up is that developing countries should be held to the same standards as the developed world.

But that’s not quite fair, say Steven Davis and Ken Caldeira (both at the Carnegie Institution for Science in Stanford, Calif.): Much of the carbon dioxide emitted by those developing countries goes into producing goods that are exported to the developed world — which means the developing world ends up paying for others’ consumerism. In other words, we’re outsourcing our carbon dioxide emissions.

14 Dec 2009

Storing CO2 in fizzy water underground

Burying carbon dioxide in underground geologic formations is an attractive option for dealing with increasing carbon dioxide in the atmosphere. But before employing such schemes, researchers need to be sure that the greenhouse gas will actually stay put. Scientists have done everything from computer modeling to pumping vast amounts of carbon dioxide into the subsurface to find out if — and how — the gas might be trapped, but gauging how sealed the formations are over geologic time scales is difficult.

10 Nov 2009

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