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Browse results: Human Influence on Ecology

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RESOURCE	GRADE LEVEL	MEDIA TYPE
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. Accessibility features: Caption	6-12	Video
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 Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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 Accessibility features: Caption	4-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
Amphibian Research This short video segment from IdahoPTV's D4K explains how frogs help biologists study problems in the environment. Accessibility features: Caption, Transcript	4-6	Video
An Alaska Native Community Helps Seals This video from First Alaskans Institute spotlights the Alaska Native community of St. Paul and its hands-on commitment to care for the land and animals on which it depends. Accessibility features: Caption	3-12	Video
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. Accessibility features: Caption	3-8	Video
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. Accessibility features: Caption	6-12	Video
Bhopal, 25 Years Later This audio segment from PRI's The World Science Podcast revisits a pesticide factory in Bhopal, India, where a 1984 gas leak caused as many as 8,000 deaths. Accessibility features: Caption	9-12	Audio
Bhopal’s Unlikely Legacy This audio segment from PRI's The World Science Podcast explores how the 1984 gas leak in a pesticide factory in Bhopal, India has increased public awareness about toxic threats, and has been a catalyst for new legislation here in the United States. Accessibility features: Caption	9-12	Audio
Building the Alaska Oil Pipeline This video segment adapted from AMERICAN EXPERIENCE tells the story of how environmentalists, Alaska Native peoples, and engineers concerned about the effects of permafrost challenged plans for the Alaska oil pipeline. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
Chemical Risks to a Fetus Learn about the risks environmental contaminants pose for a developing fetus, in this video adapted from Contaminated Without Consent. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	9-12	Video
Contaminants in the Arctic Food Chain The levels of contaminants found in particular animals vary widely depending on where they fit into the Arctic food chain, as described in this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme. Accessibility features: Caption	5-12	Video
Contaminants in the Arctic Human Population In this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme, learn how human populations in the Arctic are affected by industrial contaminants in the food chain. Accessibility features: Caption	5-12	Video
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." Accessibility features: Caption	6-12	Video
Converting to Biodiesel Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative. Accessibility features: Caption	5-12	Video
Desert Biome This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Dustin Madden: Science Teacher In this video profile produced for Teachers' Domain, meet teacher Dustin Madden, an Iñupiaq who hopes to inspire students to take an active role in protecting the natural environment by giving them a foundation in math and science. Accessibility features: Caption	3-12	Video
Ecology This video segment from IdahoPTV's D4K defines ecology and ecosystems and explains how all living and non-living things in an ecosystem interact and depend on the energy of the sun. Accessibility features: Caption, Transcript	4-6	Video
The Effects of Pesticides on Children Follow anthropologist Elizabeth Guillette as she studies the effects of pesticides on children in a farming community in Mexico, in this video segment adapted from Playing with Poison. Accessibility features: Caption	9-12	Video
Electronic Gadgets Two kids learn some surprising facts about the parts in their computer game, in this animated video from LOOP SCOOPS. Accessibility features: Caption	1-4	Video
Endangered Species This video segment from IdahoPTV's D4K explores the many reasons why animals become endangered or become extinct. Accessibility features: Caption, Transcript	4-6	Video
Endocrine Disruptor Hypothesis Scientists discuss whether or not endocrine disrupting chemicals, which may cause birth defects and other health concerns, should be controlled in the absence of conclusive proof, in this video segment adapted from FRONTLINE: "Fooling with Nature." Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video
Environmental Justice: Opposing Industrial Hog Farming Learn about the impact that large-scale hog farming has had on one minority community in North Carolina and how residents fought back to protect their water supply and property, in this video segment adapted from Earthkeeping: "Toxic Racism." Accessibility features: Caption	6-12	Video
Environmental Justice: Opposing a Toxic Waste Incinerator In this video segment adapted from Earthkeeping: "Toxic Racism," learn how farm workers and farm owners formed a rare alliance in an effort to block the use of an incinerator in their Latino community by suing a major corporation for environmental discrimination. Accessibility features: Caption	6-12	Video
Environmental Justice: Opposing a Toxic Waste Landfill This video segment adapted from Earthkeeping: “Toxic Racism” talks about the early days of the environmental justice movement and how the health of minority communities can be compromised by the disproportionate numbers of hazardous waste facilities located there. Accessibility features: Caption	6-12	Video
Environmental Justice in Dallas Follow a Dallas community's fight to receive federal Superfund status to clean up the damage from a high-polluting lead smelter, in this video segment adapted from Earthkeeping: "Toxic Racism." Accessibility features: Caption	6-12	Video
Eradicating Malaria with DDT Learn about the role of the controversial chemical DDT in the worldwide malaria eradication program, and hear from an expert who advocates bringing it back, in this video segment adapted from Rx for Survival. Accessibility features: Caption	9-12	Video
Factory Farms and Organic Alternatives In this video adapted from the series Race to Save the Planet, learn how agricultural pesticides can help increase the amount of food produced, but can also damage soil and wildlife in the process. See how organic farming addresses some of these challenges. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	6-12	Video