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Archive By Author - Rudi Kiefer

Earth Sense: Seepage more dangerous than flooding in N. Georgia

Few areas in Hall County are safer from flooding than downtown Lula. At a 1,315-foot altitude, its Main Street follows the Eastern Continental Divide.

April 09, 2017 | Rudi Kiefer | Columnists

Earth Sense: Dams face risk of breaking due to large earthquakes

With a height of 770 feet, California's Oroville Dam is the tallest in the U.S., and it's still teetering on the edge of disaster.

April 02, 2017 | Rudi Kiefer | Columnists

Earth Sense: Scooters provide an exciting ride through busy traffic

Strolling through the streets in Wuhu, China, is an exciting experience. Most people haven't ever heard of this city, but that makes it a "small town" only in Chinese conversation. With 1.5 million residents, it's a good deal bigger than Atlanta.

March 25, 2017 | Rudi Kiefer | Columnists

Earth Sense: Hard water OK to drink, not for cleaning

Rain can come down hard at times, and yet a chemist will tell you it's soft. The difference between "hard water" and "soft water" is an important one.

March 19, 2017 | Rudi Kiefer | Columnists

Earth Sense: Rivers, lakes highlight Siberian tundra

Flying over the frozen vastness of the Siberian tundra, en route to China, isn't colorful at this time of the year. Almost everything is covered by snow or ice, and the landscape is mostly flat.

March 11, 2017 | Rudi Kiefer | Columnists

Earth Sense: Barrier islands remain vulnerable to storms

You can't admire a sunset while gazing out over the ocean at the Georgia coast. Evening sun is on the other side.

March 04, 2017 | Rudi Kiefer | Columnists

Earth Sense: Energy-efficient lighting requires prior homework

Even the most energy-conscious homeowners may want some security lighting in the front and backyard. There's no need to turn the place into a football field. But the walkway to the house is safer when one can see it at night and avoid tripping over the kid's tricycle.

February 26, 2017 | Rudi Kiefer | Columnists

Earth Sense: The dangers of flying in planes are extremely low

Even though air travel is as normal in the U.S. as taking a cab, many people suffer from fear of flying. However, the chances of being hurt on a scheduled airline trip are less than by taking a car, bus, train or taxi.

February 19, 2017 | Rudi Kiefer | Columnists

Earth Sense: Taking small steps can make a difference for our environment

The "Great Pacific Garbage Patch" is an accumulation of debris, mostly plastic, that rotates slowly in the Pacific Ocean north of the equator. But it's not the only one in the world. There's a similar concentration of waste in the Atlantic, on our side of the continent.

February 12, 2017 | Rudi Kiefer | Columnists

Earth Sense: Prepare for overseas power outlets during foreign travels

Travel season is coming closer. In the planning for international trips, it's important to consider electrical connections. Details that matter most are wall outlet configuration and voltage.

February 05, 2017 | Rudi Kiefer | Columnists

Earth Sense: Visibility becomes a challenge when driving in night fog

Episodes of thick fog, like the one of last weekend, are almost always caused by air of different temperature and moisture content trying to mix. Last weekend's whiteout was caused by a thick stream of warm, humid air entering southern Georgia from the Gulf Coast of Florida.

January 28, 2017 | Rudi Kiefer | Columnists

Earth Sense: Weather spotters are essential in determining forecasts

We all watch the weather in one way or another. It takes some training, however, to be able to interpret different cloud shapes, or make an educated guess by looking at a satellite image, or understand what online radar images tell us.

January 21, 2017 | Rudi Kiefer | Columnists

Earth Sense: Black ice a major danger in winter storms

"They said we'd get 5 to 6 inches of snow. Now look at this." The cashier at the Oakwood fast food restaurant was disappointed with the small amount we got in Hall County last weekend.

January 15, 2017 | Rudi Kiefer | Columnists

Earth Sense: Resolve to contribute to cleaner energy

New Year's resolutions are fun, and some are even followed through. Big items, like losing 30 pounds or getting a huge promotion, may be too much of a stretch. But we can do something to help North Georgia stay clean and beautiful without much effort.

January 07, 2017 | Rudi Kiefer | Columnists

Earth Sense: Memories and fallout of Chernobyl remain strong

A big event happening in Ukraine got relatively little media coverage. The devastated Chernobyl reactor, site of the worst nuclear disaster in Soviet Union times, has been covered with a protective shield.

December 31, 2016 | Rudi Kiefer | Columnists

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Articles By Author - Rudi Kiefer

Earth Sense: Hurricanes’ impact is usually unpredictable

Hurricane season starts a few weeks from now. With all the news about climatic change, it raises the question whether we'll have more hurricanes ...

April 23, 2017 | Rudi Kiefer | Columnists

Earth Sense: Temperature inversions impair visibility, foil the air

Quite soon, cold nights will be a thing of the past for a while. That's true for temperature inversions as well. On a cloud-free ...

April 15, 2017 | Rudi Kiefer | Columnists


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