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Archive By Author - Rudi Kiefer


Earth Sense: Temperature inversions create bubbles that affect sound, smoke

Atmospheric conditions often influence the course of history.

November 15, 2014 | Rudi Kiefer | Columnists


Earth Sense: Monthly cleanup events help Keep Hall Beautiful

No doubt, Hall County is beautiful.

November 08, 2014 | Rudi Kiefer | Columnists


Earth Sense: Recycling best way to use old tires, appliances, plastics

This month's Hall County Green Alliance meeting included discussion about items retrieved during cleanup events at Lake Lanier.

November 01, 2014 | Rudi Kiefer | Columnists


Earth Sense: Quakes will continue as Earth’s plates keep shifting

"What's becoming of the world? When will it all end?" Words of my late grandmother came to mind after the Oct. 14 quake off the coast of Nicaragua and El Salvador.

October 25, 2014 | Rudi Kiefer | Columnists


Earth Sense: Volcanoes likely to affect millions within our lifetimes

We know the zones where the Earth's crust is thin and allows for devastating volcanic eruptions. But there seems to be no solution to the peril affecting many millions of people who live in the shadow of active volcanoes.

October 18, 2014 | Rudi Kiefer | Columnists


Earth Sense: Storm formation results from heat on ground, moisture in air

Watching a thunderstorm build up is interesting, provided you do it from a safe distance.

October 04, 2014 | Rudi Kiefer | Columnists


Earth Sense: Protecting topsoil important key to plants, food production

The word "resources" comes up frequently in discussions about the environment. Among those, the importance of topsoil is often overlooked.

September 27, 2014 | Rudi Kiefer | Columnists


Earth Sense: No mystique or magic accompanies equinox

The fall equinox is occurring Monday at 10:29 p.m. Eastern Daylight Time.

September 21, 2014 | Rudi Kiefer | Columnists


Earth Sense: Stone Mountain a pluton, not an old, extinct volcano

Just 15 miles northeast of Atlanta, a round granite formation stands 800 feet tall. Stone Mountain generates a lot of questions, but also misconceptions.

September 13, 2014 | Rudi Kiefer | Columnists


Earth Sense: Coffee trends continuing to shatter market stereotypes

Pop quiz: Most popular beverage in Germany? If you guessed "beer", you got it wrong. Germans drink more coffee than beer.

September 06, 2014 | Rudi Kiefer | Columnists


Earth Sense: Setting challenges Mexico City’s quality of life, safety

The capital of Mexico is a place of contrasts.

August 30, 2014 | Rudi Kiefer | Columnists


Earth Sense: When unexpected heavy rains occur, move to higher ground

Superstorm Sandy, which covered the East Coast with floodwaters from Florida to Maine in 2012, is still a household name. But memories of Sandy were overshadowed by the torrential rains that hit Baltimore, Long Island and Connecticut on Aug. 12.

August 24, 2014 | Rudi Kiefer | Columnists


Earth Sense: Extension cords can lead to shocks, wiring-induced fires

The word "fire" strikes fear in homeowners. Rightfully so: Between Jan. 1 and Aug. 7, 1,513 people in the U.S. died in house fires, including 57 Georgia residents (www.usfa.fema.gov).

August 17, 2014 | Rudi Kiefer | Columnists


Earth Sense: Colors result from surfaces reflecting available light

Colors change with the light. This was an issue recently when a friend was having a vintage Porsche repainted, and the shade of ivory just didn't look right.

August 10, 2014 | Rudi Kiefer | Columnists


A high heat index can end up becoming a killer

There's a killer that probably takes more lives than warfare. In 2003, an estimated 50,000 people died during a devastating heat wave that affected most of Europe. Even in the U.S., where air conditioning is available on a much larger scale, the hot summer of 1980 resulted in 1,250 casualties, according to the National Weather Service (nws.noaa.gov).

August 03, 2014 | Rudi Kiefer | Local


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Articles By Author - Rudi Kiefer


Earth Sense: Chattahoochee Riverkeeper celebrating 20th anniversary

Besides the holidays we're enjoying this week, there's another important milestone. The Chattahoochee Riverkeeper (www.chattahoochee.org) celebrates its 20th anniversary.

December 20, 2014 | Rudi Kiefer | Columnists


Earth Sense: Roundabouts could reduce fuel waste, collisions and air pollution

You're doing your Christmas shopping. Traffic is heavy. On the main streets, two or more lanes are completely filled with cars. Slow forward movement in your lane ensures a stop at every traffic light.

December 14, 2014 | Rudi Kiefer | Columnists


Earth Sense: Repairing frozen pipes within skill set of many homeowners

Most North Georgia homeowners have had this unpleasant experience. You step into the garage or some other room with outside walls after a cold night, and are greeted by a waterfall coming out of the drywall. After turning off the water supply at the meter and using every available towel to mop up the lake that has formed, there are two immediate goals: Fix the damage, and do something that will prevent this from happening again.

December 07, 2014 | Rudi Kiefer | Columnists


Earth Sense: Cold comes from imported air, doesn’t linger around

"This place is awfully cold. I hope it's not like this all the time."

November 30, 2014 | Rudi Kiefer | Columnists


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