Taxonomy term

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Comment: How long have humans been altering Earth's climate?

The early anthropogenic hypothesis holds that greenhouse gas emissions from agriculture, as early as 7,000 years ago, kept the Holocene climate warmer than it otherwise would have been.

08 Apr 2016

Comment: How 'Frankenstein' prevents us from tackling climate change

During the unusually dark and stormy summer months of 1816 following the eruption of Mount Tambora, Mary Shelley wrote “Frankenstein.” The story has continued to shape the public’s distrust of scientists and the scientific method.

09 Mar 2016

Comment: Weathering a perfect storm from space

Severe space-weather events have happened in the past, and they’ll happen again in the future. Will we be prepared?
 

 

15 Feb 2016

Comment: GSW: A celebrated society celebrates its 1,500th meeting

The October 2015 meeting of the Geological Society of Washington was the society’s 1500th. It’s worth a look back at the last 123 years.

10 Dec 2015

Comment: Pipe Dreams: What have we learned from the Volkswagen Clean-Diesel scandal?

It came to light this fall that Volkswagen had emplaced so-called defeat devices in millions of clean-diesel cars, thus allowing the cars to pass emissions tests but still drive the way consumers wanted. Many questions remain, but the scandal has already provided important lessons about consumer behavior, markets and the temptation to cheat in this new era of environmental anxiety.

18 Nov 2015

Comment: Remarkable geology sets new Berryessa Snow Mountain National Monument apart

In the Coast Ranges west of Sacramento, Calif., lies a wilderness of steep-sided canyons, mountainous terrain, rich biological diversity, and cultural and historical significance. But it’s the geology of this region that makes it worthy of designation as a national monument.

12 Nov 2015

Comment: Exoplanets: Life on the Terminator

New missions are searching for potentially life-bearing exoplanets around small, cool, red dwarf stars. On many of these exoplanets, the habitable zone lies on the line between sunlight and shadow, which, ironically, is called “the terminator.” Would life be able to exist in the terminator zones?

10 Sep 2015

Comment: Who should be worried about space weather

If a severe solar storm were headed toward Earth, should you worry? And to whom should you turn for reliable information?
25 Jul 2015

Comment: The arrival of the energy future

In the U.S., both solar and wind energy more than tripled between 2008 and 2013. Renewables are now the fastest growing energy sources. But the first steps on a new path often are tentative and require reinforcement.
25 Jun 2015

Comment: The new frontier: Homesteading on Mars

Once relegated to science fiction, the idea of humans colonizing Mars could become a reality. But the lack of an international agreement governing the colonization of other planets challenges us to think about how to use the resources of space fairly, efficiently and ethically.
25 May 2015

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