June 20, 2018
Energy Notes: May 2009-2010
U.S. Oil & Petroleum Imports (millions of barrels per day) Oil and petroleum imports data are preliminary numbers taken from the American …
The EARTH archive
September 2010
Explore the archive by subject.
14 articles · Page 1 of 1
June 14, 2018
Mineral Resource of the Month: Fluorspar
M. Michael Miller, a mineral commodity specialist for the U.S. Geological Survey, compiled the following information on fluorspar, an industrial …
June 12, 2018
Travels in Geology: Clear water and cataclysm at Oregon's Crater Lake
Today, Crater Lake in southwestern Oregon is known for being one of the deepest, clearest lakes in the world. In 5,700 B.C., however, the scenery …
June 12, 2018
Getting There And Getting Around Oregon
To visit Crater Lake, fly into Portland, rent a car and take a five-hour ride down Interstate 5 and a couple of smaller highways to Crater Lake …
May 22, 2018
Down to Earth With: Dr. Jonathan Patz
From stitching up cuts in Missoula, Mont., to authoring parts of the Intergovernmental Panel on Climate Change reports, Dr. Jonathan Patz has …
June 14, 2016
Benchmarks: September 21, 1930: Alfred Wegener begins a fateful polar expedition
In September 1930, 15 polar explorers set out from their base camp at Kamarujuk on the west coast of Greenland. The team was carrying much-needed …
January 20, 2012
Voices: Dead or alive ... or neither? Why a dormant volcano is not a dead one
Quite a lot of volcanic activity has been reaching the news lately — Sinabung in northern Sumatra, a possible eruption in the Congo and another …
January 5, 2012
Who deals with coal fires?
Currently (and historically), most people who deal with underground coal fires and gob fires are employed by government agencies, mining and …
January 5, 2012
The rising global interest in coal fires
In eastern India, north of the Damodar River, approximately 70 fires are burning in the Jharia coalfield, the largest coalmine fire complex in …
January 5, 2012
Museums: Cleopatra: The search for the last queen of Egypt
Cleopatra VII was the queen of Egypt. Even 2,000 years after her death, the last ruler of the great empire is still a focal point of worldwide …
January 5, 2012
Impossible Odds, Irrepressible Hope: Pakistan's water woes and the science that can solve them
Most residents of developed countries don’t think about their water running out or worry about their water leading to the death of their …
January 5, 2012
Further reading and international collaborations
The growing interest in coal fires has led to the largest collection of peer-reviewed publications about this topic ever undertaken for …
January 5, 2012
Earliest fossil evidence of humans in Southeast Asia?
Modern humans reached the islands of Southeast Asia by approximately 50,000 years ago, but our ancestors’ journey was not easy. Even during times …
January 5, 2012
Blogging on EARTH: Climate change threatens Virginia's vacation spots
Each year, millions of visitors flock to Virginia’s natural wonders, such as Shenandoah National Park, and to historical landmarks, like …