EARTHtalk!

From the top of the Himalayas to the bottom of the ocean, the UA Little Rock Department of Earth Sciences EARTHtalk!  monthly lectures series explores what has happened and what is happening on our planet.

Speakers cover diverse topics ranging from our water quality and sustainability, the creation of mountains and the reasons behind earthquakes. The series take place on Wednesdays at 6:00 pm. You can find the upcoming speakers list here.

If you are unable to attend, you can watch many of our previous speakers below.

(click and drag to navigate)

EARTHtalk! - Rachel Furman L'Oreal Sustainability
EARTHtalk! - Rachel Furman L'Oreal Sustainability
Rachel Furman is the Senior Environmental Manager at L'Oréal's manufacturing plant in North Little Rock.
EARTHtalk! - Rachel Furman L'Oreal Sustainability
EARTHtalk! - J. Bruce McMath
EARTHtalk! - J. Bruce McMath
J. Bruce McMath explains the importance of why we need to protect the night sky from artificial light.
EARTHtalk! - J. Bruce McMath
EARTHtalk! - Dr. Jessica Scott
EARTHtalk! - Dr. Jessica Scott
Dr. Jessica Scott, of UA Little Rock, gives an overiew of climate change and its impact on our planet.
EARTHtalk! - Dr. Jessica Scott
EARTHtalk! - Dr. René Shroat-Lewis- Reefs
EARTHtalk! - Dr. René Shroat-Lewis- Reefs
Dr. René Shroat-Lewis shows us how the changing climate is causing the decline of ocean organisms which in turn is damaging the planet's reefs.
EARTHtalk! - Dr. René Shroat-Lewis- Reefs
EARTHtalk! - Melinda Glasgow
EARTHtalk! - Melinda Glasgow
Melinda Glasgow, the Sustainability Officer for Little Rock, talks about the efforts to incorporate sustainability into governmental policy.
EARTHtalk! - Melinda Glasgow
EARTHtalk! - Dr. Laura Ruhl
EARTHtalk! - Dr. Laura Ruhl
Dr. Laura Ruhl, of UA LIttle Rock, explains how geology can affect our health through dealing with the world around us.
EARTHtalk! - Dr. Laura Ruhl
EARTHtalk! - Dr. Lindsey Waddell
EARTHtalk! - Dr. Lindsey Waddell
Dr. Lindsey Waddell, Ark. School of Mathematics, explains how we get the "hot springs" at the Hot Springs National Park.
EARTHtalk! - Dr. Lindsey Waddell
EARTHtalk! - Dr. Thomas Colby
EARTHtalk! - Dr. Thomas Colby
Dr. Thomas Colby, of UA Little Rock, explains how geologists are uncovering ancient environments by learning the language of the rocks.
EARTHtalk! - Dr. Thomas Colby
EARTHtalk! - Dr. Jason Patton
EARTHtalk! - Dr. Jason Patton
Dr. Jason Patton, of Arkansas Tech Univ., discusses the problems associate with the thousands of abandoned oil and gas wells
EARTHtalk! - Dr. Jason Patton
EARTHtalk! - Dr. Stephen Grace
EARTHtalk! - Dr. Stephen Grace
Dr. Stephen Grace. of UA Little Rock, shares how the Campus Garden benefits the students and the campus community.
EARTHtalk! - Dr. Stephen Grace
EARTHtalk! - Dr. Beth McMillan
EARTHtalk! - Dr. Beth McMillan
Dr. Beth McMillan, of UA Little Rock, explains how the Rocky Mountains were formed.
EARTHtalk! - Dr. Beth McMillan
How to Date The Planets
How to Date The Planets
Steven Jaret, of Stony Brook University, discusses how surface impacts can interfere with how we determine a planet's age.
How to Date The Planets
EARTHtalk! - Dr. Dan Scheiman
EARTHtalk! - Dr. Dan Scheiman
Dr. Dan Scheiman, of Audubon Arkansas, discusses Fourche Creek one of the most important urban wetlands in the U.S.
EARTHtalk! - Dr. Dan Scheiman
Curiosity's Adventures at Gale Crater, Mars
Curiosity's Adventures at Gale Crater, Mars
Dr. Linda Kah, of Univ. of Tenn., discusses the latest information gathered from the Mars orbiters.
Curiosity's Adventures at Gale Crater, Mars
Bill Davidson, Hot Springs Geology Club, shares the many geological wonders of the island county of Iceland.
Dr. Conevery Bolton Valencius, Univ. of Mass., looks at the early research of the New Madrid earthquakes.
EARTHtalk! - Martha Kopper
EARTHtalk! - Martha Kopper
Martha Kopper, Ark. Geological Survey, discusses why we have landslides in Arkansas and the costs associated with them.
EARTHtalk! - Martha Kopper
Dr. Lashun Thomas, UA Little Rock, discusses water cycles and the effects various contaminants can have on our water supplies.
EARTHtalk! Seth LeMaster
EARTHtalk! Seth LeMaster
Seth LeMaster, Ark. Geographic Information Office, explains how GIS technology is used in military conflicts.
EARTHtalk! Seth LeMaster
EARTHtalk! - Randy Easley
EARTHtalk! - Randy Easley
Randy Easley explains the steps Central Arkansas Water is taking to maintain the safety of our water supply.
EARTHtalk! - Randy Easley
Matt Covington
Matt Covington
Dr. Matt Covington, UA Fayetteville, discusses how CO2 impacts the formation of caves.
Matt Covington
EARTHtalk! - Dr. Laura Vietti
EARTHtalk! - Dr. Laura Vietti
Dr. Laura Vietti, Univ. of Wyoming, explains what happens after a whale dies in the ocean.
EARTHtalk! - Dr. Laura Vietti
EARThtalk! - Dr. Kathy Knierim
EARThtalk! - Dr. Kathy Knierim
Dr. Kathy Knierim, U.S. Geological Survey, talks about the critical nature of our groundwater
EARThtalk! - Dr. Kathy Knierim
EARTHtalk! - Dr. Josh Spinler
EARTHtalk! - Dr. Josh Spinler
Dr. Joshua Spinler, UA Little Rock, shows how the movies don't portray what happens in earthquakes accurately.
EARTHtalk! - Dr. Josh Spinler
EARTHtalk! - Dr. Rene Shroat-Lewis
EARTHtalk! - Dr. Rene Shroat-Lewis
Dr. Rene Shroat-Lewis, UA Little Rock geology professor, shares the bio-diversity of the Galapagos Islands.
EARTHtalk! - Dr. Rene Shroat-Lewis
EARTHtalk! - Dr. John Czarnecki
EARTHtalk! - Dr. John Czarnecki
Dr. Czarnecki shares his 34 years of experience working as a groundwater specialist for the U.S.G.S.
EARTHtalk! - Dr. John Czarnecki
Mylroie Title SD
Mylroie Title SD
Dr. John Mylroie explains how the Bahamas Islands came to be
Mylroie Title SD
Clive Neal and Exploring the Moon
Clive Neal and Exploring the Moon
Dr. Clive Neal proposes that we should use the Moon to help explore the Solar System.
Clive Neal and Exploring the Moon
Bendick HD Title
Bendick HD Title
Dr. Rebecca Bendick studies the deformation of the Earth's lithosphere.
Bendick HD Title
EARTHtalk! Dr. John Czarnecki - Aquifers
EARTHtalk! Dr. John Czarnecki - Aquifers
Dr. John Czarnecki explains the importance of the Alluvial and Sparta Aquifers in Arkansas.
EARTHtalk! Dr. John Czarnecki - Aquifers
EARTHtalk! - Dr. Rhiannon Mayne
EARTHtalk! - Dr. Rhiannon Mayne
Dr. Rhiannon Mayne looks at how meteorites have been used in different cultures.
EARTHtalk! - Dr. Rhiannon Mayne
EARTHtalk! - Dr. Jackie Langille
EARTHtalk! - Dr. Jackie Langille
Dr. Jackie Langille discusses the formation of the Himalya and the causes for crustal extension in the mountain range.
EARTHtalk! - Dr. Jackie Langille
EARTHtalk! - Dr. Peter Trabant
EARTHtalk! - Dr. Peter Trabant
Dr. Peter Trabant uses geologic history for future climate predictions.
EARTHtalk! - Dr. Peter Trabant
EARTHtalk! - Erik Pollock
EARTHtalk! - Erik Pollock
Erik Pollock explains how isotope analysis can provide information about Ozark caves.
EARTHtalk! - Erik Pollock
Van der Pluijm Title HD
Van der Pluijm Title HD
Dr. van der Pluijm explains why the San Andreas Fault keeps slipping and sliding.
Van der Pluijm Title HD
EARTHtalk! - J. Michael Howard
EARTHtalk! - J. Michael Howard
. Michael Howard retired as the Arkansas state mineralogist. He talks about his years of working in the rocks.
EARTHtalk! - J. Michael Howard
EARTHtalk ! - Dr. Elizabeth T. Horton
EARTHtalk ! - Dr. Elizabeth T. Horton
Dr. Elizabeth T. Horton discusses the early domestication of plants by Native Americans.
EARTHtalk ! - Dr. Elizabeth T. Horton
EARTHtalk! - Scott Simon
EARTHtalk! - Scott Simon
Scott Simon of The Nature Conservancy explains the importance of preserving Arkansas' bio-diversity.
EARTHtalk! - Scott Simon
EARTHtalk! - Dr. David Baylis
EARTHtalk! - Dr. David Baylis
Dr. David Baylis explains the mapping techniques that we use in everyday life and the need for geo-literacy.
EARTHtalk! - Dr. David Baylis
EARTHtalk! - Tim Hill
EARTHtalk! - Tim Hill
Tim Hill shares the result of research on how to address a chemical tank containment area leak.
EARTHtalk! - Tim Hill