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