Acid Mine Drainage and Precipitates

In this video, environmental scientists measure the pH of water to detect acid mine drainage from an abandoned coal mine and then demonstrate how metals present in acid drainage fall out of solution as precipitates when a basic substance is added to the water.

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Controlling Water Run-off

This video shows how the environmentally friendly design of the Visitor Center at Bernheim Arboretum and Research Forest near Louisville slows down water run-off and helps to control non-point-source water pollution, conserve water, and prevent soil erosion

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Environmental Impact of Acid Mine Drainage

This video shows how acid mine drainage from an abandoned coal mine has affected Wildcat Branch in Kentucky's Daniel Boone National Forest. Because the creek has a very acidic pH of 2.9, most organisms cannot survive there, and Wildcat Branch is essentially dead.

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Reusing Wastewater

This video demonstrates how peat filtration beds at Bernheim Arboretum and Research Forest near Louisville, Kentucky purify and conserve wastewater and eliminate one cause of non-point-source water pollution.

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The Geology of Coal

In this video, a geologist describes how coal, a sedimentary rock, was formed when organic materials piled up in swamps millions of years ago. Over time, heat and pressure transformed the buried materials into forms of coal that cause acid mine drainage when exposed to oxygen.

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Recycling and Restoration

This video explains how Bernheim Arboretum and Research Forest near Louisville, Kentucky used recycled cypress from pickle vats to build its visitor center and then “paid back” nature by creating a cypress-tupelo swamp at one end of a lake on the park grounds.

Tunneling for Water: Digging the Tunnel and Prehistoric Water!

This video traces the construction of Louisville Water Company’s riverbank filtration system, including the unexpected discovery of a reservoir of prehistoric water.

High-Sulfur Coal and Acidic Water

In this video, a geologist measures the pH of water after high-sulfur coal from a Kentucky coal mine has been added to it. This test demonstrates that the sulfate salts found on the coal’s surface cause the water to become much more acidic.

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Think Garden: The Importance of Water

This video explores why plants need water to survive, and how they tell us they’re thirsty. Learn about the part water plays in the process of photosynthesis, and find out how to conserve and improve water quality. Also an animation explains the water cycle and transpiration process.

Rain Gardens

This video shows how a rain garden at Bernheim Arboretum and Research Forest near Louisville, Kentucky slows down the flow of water from the forest’s parking lot and helps prevent soil erosion.

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Mycoremediation

This video explores the process of mycoremediation: planting fungi such as oyster mushrooms to mitigate non-point-source water pollution caused by oil, gasoline, and other toxic substances.

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Restoring Lower Rock Creek

This brief video describes how Lower Rock Creek’s location between two National Wild and Scenic Rivers caused Kentucky environmentalists to choose the creek as a target for acid mine drainage remediation.

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Acid Mine Drainage Remediation

In this video, an environmental technologist visits an abandoned coal mine in Kentucky to talk about how a remediation system (a series of settling ponds and treatment cells) is neutralizing the acid drainage flowing from the mine and keeping it from damaging a creek downstream.

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Applying the Scientific Method

This video provides a real-life example of the scientific method: testing hypotheses about which plants will grow most successfully on a green roof in Kentucky.

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Results of Acid Mine Drainage Remediation

In this video, a biologist visits Rock Creek in Pulaski County, Kentucky to show how acid mine drainage remediation has increased the stream’s pH from acidic levels to almost neutral. Although the ecosystem has not been completely restored, many species have returned to Rock Creek.

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Stream Restoration

This video explores how Bernheim Arboretum and Research Forest near Louisville, Kentucky has restored a channelized or straightened stream to its original meandering path, thereby improving the stream’s water quality and creating a better habitat for wildlife.

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Aquatic Insects

In this brief video, a biologist talks about the macroinvertebrates (typically aquatic insects) that form the basis of food webs in healthy Kentucky streams.

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Detached Wetlands

This video depicts a detached wetland, a small pool that forms beside a shallow meandering stream when it overflows its banks. These wetlands are important breeding grounds for the invertebrates that live in and beside streams

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About the Seasons

Children learn how seasonal weather changes affect everything, from the behavior of animals to the way we dress and play.

Biodiverse Regions: Blood River

Adapted from the Kentucky Life Biodiversity series, this video looks at the natural significance of the Blood River region of southwestern Kentucky.

20-Year Map of Global Rainfall

This visualization from NASA shows global rainfall patterns over a 22-year span. It incorporates data from a combination of remote-sensing and ground-based sources.

Acidic Seas

For years, our oceans have been hard at work absorbing the carbon dioxide that humans create through burning fossil fuels. Find out what effect that extra CO2 is having on our seas.

Adopting Sustainable Food Practices

Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College.

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Agricultural Runoff and the Gulf of Mexico Dead Zone

This video segment adapted from Big River: A King Corn Companion shows how agricultural chemicals from the Midwest that travel downstream in water runoff create a vast marine "dead zone" in the Gulf of Mexico.

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Airborne Wind Energy

The strongest and most consistent winds are found in the jet stream as high as 30,000 feet above the earth. In this video from QUEST produced by KQED, learn about the benefits and challenges of wind energy.

Alaska Native Pilots

In this video adapted from Storyknife Productions, Alaska Native pilots share how they use traditional knowledge to read the landscape and predict the weather.

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Alaska Native Teens Help Researchers

In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, Alaska Native students contribute to research on how their environment is changing as a result of global warming.

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Alaska Tsunami

In this video adapted from Alaska Sea Grant, discover why multiple tsunamis resulted from the Great Alaska Earthquake of 1964.

An Ancient Legend Teaches Climate Change Adaptation

Today’s unsustainable use of natural resources is compared to the legend of the giant Uab, in this video adapted from the Secretariat of the Pacific Community.

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Antarctica's Dry Valleys

In this video segment produced by ThinkTV with the Byrd Polar Research Center, a young scientist describes her journey to the remote Dry Valleys of Antarctica and her search for life under some of the most extreme conditions on Earth.

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Antarctica: A Challenging Work Day

What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica.

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Antarctica: Sea Ice

This video segment adapted from NOVA uses microwave images to reveal how sea ice doubles the size of Antarctica each winter. Rare footage shows how sea ice crushed the famous ship Endurance in 1914.

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Antarctic Ice Movement: Part I

This video segment adapted from NOVA explains why ice sheets move. To find out how fast they move, scientists carve a tunnel through a glacier.

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Antarctic Ice Movement: Part II

Within Antarctic ice sheets are fast-moving streams of ice. This video segment adapted from NOVA hypothesizes about how ice streams are the result of warming at the end of the last ice age.

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Antarctic Ice: Sea Level Change

What would happen if a portion of the Antarctic Ice Sheet were to melt? This video segment adapted from NOVA uses animations to show the effect of a 6-meter sea-level rise on coastal cities across the world.

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Arctic Climate Perspectives

This video, adapted from material provided by the ECHO partners, describes how global climate change is affecting Barrow, Alaska.

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Arctic Climate System

Learn how the Arctic is a part of a global climate system in this video segment adapted from the National Film Board of Canada.

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Arctic Haze

In this video segment adapted from KUAC, find out why the horizon in Alaska is sometimes shrouded in pollution and what it means for climate change in the Arctic.

Atrazine Affects the Water Supply

In this video segment featuring live-action animation, adapted from Big River: A King Corn Companion, see how the agricultural pesticide atrazine impacts both crops and human health.

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At the Core of Climate Change

Increasing greenhouse gases are contributing to global warming, which is changing our climate. Find out how scientists use data collected from ice cores to study climate change.

Avalanche Town

The impact of natural disasters is made vivid in this video segment adapted from NOVA. A small town in Iceland, prepared for recurrent avalanches, is devastated when one takes a new and damaging path.

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Bianca Goes where the Wind Blows

In this video from Cyberchase, Bianca and Mikaela want to fly a kite, so Bianca creates a wind gauge to test the strength of the wind in various parts of the park.

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Biofuels: Beyond Ethanol

In this video from QUEST produced by KQED, find out what scientists are discovering in investigating the newest methods for converting what we grow into what makes us go.

Biome in a Baggie

This ZOOMSci video segment shows how to create self-contained environments and explore how plants grow under different conditions.

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California's Lost Salmon

Salmon have disappeared from more than 40 percent of their range in the West. In this video from QUEST produced by KQED, learn about the important role these fish play in native ecosystems.

California's Water Supply

This resource developed from KQED's QUEST, uses California’s delicately balanced watershed as an example of how the water cycle operates.

Capturing Carbon

In this video segment adapted from NOVA scienceNOW, a scientist, inspired by his daughter's science fair project, develops a synthetic "tree" to remove excess carbon dioxide from the air.

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Carbon-Fiber Car of the Future

In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change.

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Changes in the Ozone Layer

This video segment produced by ThinkTV demonstrates how ozone is created in the upper atmosphere, explains its beneficial role, and explores the problem of ozone depletion.

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Changing Arctic Landscape

In this video adapted from the Arctic Athabaskan Council, learn how warmer temperatures in the Arctic are transforming the landscape, triggering a host of effects such as permafrost thawing and insect infestations.

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Chasing Tornadoes

In this video segment adapted from NOVA, scientists are on the hunt for tornadoes. Using Doppler radar, they gather data in the hopes of solving the mystery of how tornadoes form.

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Chemist and Biologist Catherine Drennan

In this video produced for Teachers' Domain, learn about MIT professor Cathy Drennan's research into microorganisms that remove carbon dioxide, a greenhouse gas, from the atmosphere.

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Chicken Waste and Water Pollution

In this video segment adapted from FRONTLINE: “Poisoned Waters,” learn how unregulated waste from large-scale chicken farms contributes to water pollution.

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Climate and Human Evolution

In this video segment adapted from NOVA: "Becoming Human," learn how the analysis of rock layers and ocean sediments supports the theory that rapid climate change may have jump-started human evolution two million years ago.

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Climate Change

This video segment adapted from NOVA explains the difference between weather and climate and features groundbreaking analysis revealing that Earth's climate has changed much faster than previously believed.

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Climate Change Adaptation and Mitigation

Learn about climate change adaptation and mitigation in this animated video produced by the Wisconsin Educational Communications Board.

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Climate Change Affects Glacial Water Source

Mountain glaciers are an important source of fresh water for the people of Peru. In this video segment produced by ThinkTV, learn how climate change is affecting the quantity and quality of available fresh water produced by glaciers in the Andes.

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Climate Change Impacts Alaska Glaciers

This video adapted from KTOO takes a look at Earth's warming and cooling cycles and the current atypical trend of warming that is impacting the glaciers in Alaska's Inside Passage.

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Climate Change Threatens Pacific Paradise

Learn how climate change has impacted food and freshwater resources on the Carteret Islands of Papua New Guinea, in these two videos adapted from UNU-IAS Traditional Knowledge Initiative and Pacific Black Box, Inc.

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Climate Models

Climate models are tools that scientists have developed to help predict the future climate of our planet based on different scenarios of human impacts to the atmosphere. The last ice age occurred because of a drop of only a few degrees in global temperatures, so even small temperature increases are a concern.

Climate Models

In this video by ThinkTV, explore the many uses of climate models and see a visualization of a global climate model. Models are tools scientists use to see patterns and trends.

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Climate Watch: Unlocking the Grid

Today we rely on electricity more than ever. In this video from QUEST produced by KQED, explore the challenges of harnessing renewable energy.

Climate Wisconsin: Birkebeiner

Experience the largest cross-country ski race in North America and learn how it is being impacted by climate change in this multimedia video produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Farming

Learn how a family farm in Wisconsin functions and how it is impacted by climate change in this multimedia video produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Forestry

Learn how a family farm in Wisconsin functions and how it is impacted by climate change in this multimedia video produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Ice Fishing

Discover how climate change is impacting ice fishing in Wisconsin in this multimedia video produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Phenology

Explore phenology and its relation to climate change research in this multimedia video resource produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Great Lakes Shipping

Learn how shipping on the Great Lakes is being impacted by climate change in this multimedia video produced by the Wisconsin Educational Communications Board.

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Climate Wisconsin: Sugaring

In this multimedia video produced by the Wisconsin Educational Communications Board, learn how maple syrup is produced and how its production may be impacted by climate change.

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Clouds and Currents

Learn about cloud formations over the Sierra Nevada Mountains in this video from Nature.

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Clouds and Weather

Learn about different types of clouds and the weather they signal in this video featuring original stop-motion animation.

Conserving a Unique Ecosystem in Micronesia

Learn about the steps that the people of Kosrae, Micronesia, are taking to protect their natural resources, in this video adapted from the Micronesia Conservation Trust.

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Contaminating the Rockies

Learn how abandoned mines have been contaminating water supplies in the Rocky Mountains for decades in this video segment adapted from NOVA: "Poison in the Rockies."

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Convective Cloud Systems

This video segment adapted from the Atmospheric Radiation Program explains the differences in the formation of tropical convective cloud systems over islands and over the ocean.

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Coral Kid

In this video segment, ZOOM guest Cassie takes us on a tour of the coral reef near her home in Key Largo, Florida, and points out some of its unique features.

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Deep-Sea Vents and Life's Origins

Deep-sea vents are home to life forms that do not rely on the Sun's energy. They depend instead on energy from volcanoes on the ocean floor. This video segment adapted from NOVA hypothesizes that life on Earth may have begun in this extreme environment.

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Dendroclimatology in the Navajo Nation

In this video segment adapted from Navajo Technical College, meet a dendroclimatologist who studies the relationship between precipitation and tree growth in the Navajo Nation.

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Diatoms Measure Climate Change

In this video segment adapted from NOVA: "Becoming Human," learn what the analysis of fossilized microscopic algae in sediment tells us about rapid changes in climate in Africa's past.

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Earth as a System

This visualization adapted from NASA maps progressive global changes onto a rotating globe. Earth's atmosphere, hydrosphere, geosphere, and biosphere are shown to be dynamic and interconnected.

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Earth's Cryosphere: Antarctica

Learn about the different features of snow and ice in Antarctica using satellite imagery in this video segment adapted from NASA.

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Earth's Cryosphere: The Arctic

In this video segment adapted from NASA, take a tour of the cryosphere in North America and the Arctic using satellite imagery.

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Earth System: Drought and Air Quality

This video segment adapted from NASA's Goddard Space Flight Center discusses how a drought can have negative effects locally, for example by increasing the number of forest fires, and also globally, for example by impacting air quality thousands of miles away.

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Earth System: El Niño

This video segment adapted from NASA's Goddard Space Flight Center describes El Niño, how it forms, and the chain reaction of consequences it triggers around the globe.

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Earth System: El Niño's Influence on Hurricane Formation

This video segment adapted from NASA's Goddard Space Flight Center explains how hurricanes develop and why there are fewer hurricanes in the Atlantic Ocean in strong El Niño years.

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Earth System: Ice and Global Warming

This video segment adapted from NASA's Goddard Space Flight Center explains ice's role in the Earth system, highlighting the delicate balance that could be upset with a continued rise in temperature due to climate change.

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Earth Water Filter

In this video segment adapted from ZOOM, cast members try to make the most effective water filter. They experiment with filtering dirty, salty water through different combinations of sand, gravel, and a cotton bandana.

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The Effect of Jet Streams on Climate

This video produced by ThinkTV visualizes jet stream patterns around the world and explores their effect on weather systems and regional climates.

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The Effect of Land Masses on Climate

In this video produced by ThinkTV, explore the effects of land masses on local climate conditions, and learn about regional impacts of land-atmosphere interactions.

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The Effect of Sea Surface Temperature on Hurricanes

In this video segment adapted from NOVA scienceNOW, scientists examine the link between rising sea surface temperature and more intense hurricanes.

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The Effects of Atmospheric Particles on Climate

This video segment produced by ThinkTV explains that particles suspended in the atmosphere, or aerosols, can have a surprising effect on regional warming and cooling, adding to the complexity of global climate change.

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Environmentalist Bill McKibben, 1990

In this 1990 archival news footage from Cambridge Community Television, environmentalist Bill McKibben speaks about the possible effects of climate change at an Earth Day celebration in Cambridge, MA.

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Kerri-Ann Richard

In this video from Science City, Kerri-Ann Richard, an environmental engineer, describes how she became interested in the field and why it is important to clean up the environment by removing contaminants from soil and ground water.

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An Everglades Visit

In this adapted video segment, ZOOM guest Tommy takes us on a tour of the Florida Everglades. He describes what makes a wetland biome unique, including the soil, precipitation, and biodiversity.

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Climate Wisconsin: Extreme Heat

Learn how extreme heat—which is projected to occur more frequently in our changing climate—disproportionately affects the urban elderly and the poor in this multimedia video produced by the Wisconsin Educational Communications Board.

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Extreme Temperatures on the Moon

In this video segment adapted from Interactive NOVA, astronaut John Young experiences extreme temperatures on the Moon that are a result of the Moon's low gravity and lack of atmosphere.

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Farm Nitrates in the Water Supply

Learn how nitrate runoff from farm fertilizers can negatively impact human health and how a water treatment plant is tackling the challenge, in this video excerpted from Big River.

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Farm Solutions to Water Pollution

In this KET video from Common Ground and Cleaner Water, Tribby Vice, a Kentucky farmer, talks about the changes he has made on his farm to protect the water quality of the stream running through his property and the watershed in which he lives.

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Fastest Glacier

In this video segment adapted from NOVA scienceNOW, scientists in western Greenland explain how a glacier there is shrinking and moving faster due to increased melting.

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Field Research on Glacial Change

In this video segment produced by ThinkTV, learn how scientists take measurements in the field to gain an overall understanding of changes in local water supplies, and how they may relate to changes in the mass of nearby glaciers.

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The Fierce Humboldt Squid

Historically, the Humboldt squid has roamed the waters of the Humboldt Current, ranging from the southernmost tip of South America to California. In this video from QUEST produced by KQED, find out how they have been able to survive and thrive in their expanding range.

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