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Archive By Author - Rudi Kiefer


Earth Sense: A mouse click can take you to world’s wonders

The World Wide Web is loaded with information tools, but for anyone interested in the natural environment, Google Earth has to rank among the best. A simple search makes it quick to find and download. After starting the program, try putting some place names or coordinates into the search box at left.

January 20, 2013 | Rudi Kiefer | Columnists


Earth Sense: Old safety tips are best left in the past

Does anybody have a yearning for the "Good Old Days" to return - say, the 1960s? We drove around in cars with no seat belts. In a lightning storm, we were told to lay face down in a ditch (never mind the 12,000 gallons of water that might come rushing down on us).

January 13, 2013 | Rudi Kiefer | Columnists


Earth Sense: Exploring caves can be fun, but dangerous

It could happen here in Georgia.

January 05, 2013 | Rudi Kiefer | Columnists


Earth Sense: Megacities bring positives, but also dangers

As we prepare to start a new year, we can also expect to find ourselves in a changed world. The old dream of living off the land in a quiet cottage is giving way to an ever-increasing worldwide trend: the megacity.

December 30, 2012 | Rudi Kiefer | Columnists


Earth Sense: Long-term effect of CO2 levels unknown

In the debate about rising atmospheric CO2 levels, it's rarely mentioned that there's a host of unknown factors. That's not a reason to lay back and continue business as usual.

December 23, 2012 | Rudi Kiefer | Columnists


Earth Sense: Climate conference leaves much in the air

The 2012 climate conference in Doha, Qatar, on the Persian Gulf concluded without strong measures to control carbon dioxide emissions.

December 16, 2012 | Rudi Kiefer | Columnists


Earth Sense: Fighter planes are anything but gliders

The simplest form of airplane flight is found in the glider. It uses only pockets of rising air, and the movement of air past its wings, to fly above the surface.

December 09, 2012 | Rudi Kiefer | Columnists


Earth Sense: Changing river’s flow has drawbacks

In places where there are water-related problems, engineering is often touted as the solution. As an example for what happens when you tinker with natural waterways, the river Rhine in Germany, often visited by Americans, stands out.

December 02, 2012 | Rudi Kiefer | Columnists


Earth Sense: Water transfers can alter drainage basins

The water discussions in the Gainesville and Atlanta areas often bring up the term "drainage basin," which is the same thing as a "watershed."

November 25, 2012 | Rudi Kiefer | Columnists


Earth Sense: Cold fronts will begin to change our weather

With so many changes going on in our natural environment, you may be wondering what to expect in the months ahead. An earthquake in Guatemala 10 days ago killed 48, and another severe one happened in Myanmar last Sunday.

November 17, 2012 | Rudi Kiefer | Columnists


Earth Sense: LED bulbs might be best alternative

It gets dark an hour earlier now than it did last month. As we head for the shortest days of the year, outdoor and indoor lighting are very important.

November 11, 2012 | Rudi Kiefer | Columnists


Earth Sense: Preparation for hurricane is vital

It's rare for a hurricane like Sandy to bypass most of the East Coast and then enter the continent that far north.

November 03, 2012 | Rudi Kiefer | Columnists


Earth Sense: Colorful fall skies determined by moisture

Fall is the season for enjoying colors in North Georgia. But it's not just the colors of tree leaves that are changing. The sky shows a much greater variety of hues than we get at other times of the year.

October 27, 2012 | Rudi Kiefer | Columnists


Earth Sense: More rail would ease car-centric traffic

In this country, the automobile is the most common form of transportation. You don't need to go far to observe the problems that come with it.

October 20, 2012 | Rudi Kiefer | Columnists


Fall brings quirky weather to North Ga.

Sunshine. Then more than 6 inches of rain, setting an all-time record for Gainesville. Then sunshine again.

October 16, 2012 | Rudi Kiefer | Local


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Articles By Author - Rudi Kiefer


Earth Sense: Check house foundation to prevent dangerous slides

The March 22 mudslide in Oso, Wash., raises the question whether something like this could happen here. It's not likely, because we don't have the deep soil that led to the Western disaster.

April 19, 2014 | Rudi Kiefer | Columnists


Earth Sense: This is the best time to plan a European vacation

Late spring and early summer are some of the best times to visit Europe, especially the Upper Rhine Valley.

April 12, 2014 | Rudi Kiefer | Columnists


Earth Sense: Earthquakes, mudslides can happen anywhere so prepare

The magnitude 5.1 earthquake that occurred around midnight on March 29 east of Los Angeles was a reminder of the unstable geologic conditions in Western states. Its epicenter was in a densely populated residential area of La Habra, Calif., just a quarter-mile from Sonora High School.

April 06, 2014 | Rudi Kiefer | Columnists


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