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Accessibility Information

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Environmental Issues

Within Science

The U.S. House of Representatives with several people seated at the House Rostrum. An American flag hangs on the wall behind them.

Map of Alaska with Anchorage displayed. 1964 Epicenter indicated on coastline in bay adjacent to Anchorage. Caption: The epicenter was in Prince William Sound

Spraying ice removing solution on a sheet. Caption: Just spray on and the ice that forms slips away.

Aerial view of farmlands in patchwork green and brown with a small river winding through it. Caption: this land that has nourished them for centuries.

A political map of U S. Caption: A national grassroots movement to legalize democracy.

A girl working in a swamp. Caption: I love doing conservation projects.

A baby sea turtle swimming in the ocean, descending towards the ocean floor.

The flock of ganders is swimming in the water. Caption: These ganders are far more adventurous.

Still image from: A World Without Forests

Still image from: A World Without Mosquitoes

Industrial plant from a distance. Caption: That's the world's largest PLA manufacturing plant.

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Agriculture and Rural Land Use

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Confronting Future Challenges

Water rushes through rocks in the Fridley creek. Caption: when it's severely icing, it's a hostile environment.

Still image from: Agriculture: Sustainable Farming

Still image from: Air Pollution

Earth in space with cutouts of people standing around the circumference, hands extended towards each other. Caption: to cherish and protect our planet.

Still image from: Animal Jam: The Harpy Eagle--A Majestic Raptor of South America

A large bird with wings spread and a tag on each wing that has "80" printed on it. Caption: so that in the morning sun, it can be warmed.

Photo of deers captured in a photo trap.

Coral reef with fish swimming in the vivid blue water above and two snorkelers at the water's surface. Caption: it has a lot of fish, it has less algae,

Body of water with plants floating on the surface near the shore, trees right up to the water's edge in the background. Spanish Captions.

Man, with glasses in a suit jacket and button up shirt. Caption: the system may thrive again when it's reintroduced.

Tall snowcapped mountains covered in lush green trees and a light green river with two rafts winding through the valley. Caption: Clearly this place has to be preserved.

People on a pier on a sunny day. Caption: is don't drink on the beach, stay smart.

Industrial plant with plumes of smoke billowing into the sky from exhaust pipes. Caption: These people put pressure on the ecosystem by pollution

Illustration of the carbon cycle: Plants intake CO2, herbivores (giraffe) eat plants, carnivores (lion) eat herbivores, carnivores release CO2, and then plants absorb CO2. Caption: releases carbon dioxide back into the air.

Still image from: Biomass & Biofuel

Twigs sticking out of the sandy ground. Spanish Caption: que habia sido sembrada y tuvimos perdidas,

An monkey howling. Spanish Caption: [rugido] aaarg!

A group of seals on a rock near the sea. Spanish Caption: (Jose) Estamos alrededor de los 4500 visintantes por ano,

A school of fish swimming underwater. Spanish Caption: y 120 kilometros del sistema arrecifal

Cactus growing on a hill. Spanish Caption: va desde el sur del estado de Sonora

Person wearing a protective gown, mask and gloves handling materials. Caption: (narrator) Is the powdered anthrax which has contaminated

People in full-body orange and black clothing with gear standing on ice in pockets of water. Caption: to trace where the black carbon is coming from.

Two trucks unload garbage. Caption: Male, we're standing on about 12 meters of garbage.

A seven story pump house. Caption: Its ultimate destination is this seven story pump house,

A building with a curving roofline still under construction. Caption: Green buildings are rising up

Blurry product label as seen through clear film. Caption: Naphthalene doesn't occur naturally in ground water.

A construction sight beside a water body. Caption: In an attempt to save the threatened Aral Sea.

A burning ship. Caption: On the 22nd, it sinks to the bottom of the gulf of Mexico.

Still image from: California: Climate Change Impacts

Images depict different mass extinction threats to Earth's plants and animals, such as invasive species, pollution, and global warming. Text on image reads, "The direct drivers."

Two people in a science lab working on a piece of equipment from opposite sides of the table. The equipment terminates in a spout leading to a large plastic drum. Caption: to improve access to safe water

Still image from: ChangeMakers With Niall McCann: Damien Mander

Still image from: ChangeMakers With Niall McCann: Eunice Olumide

Still image from: ChangeMakers With Niall McCann: Faith Doherty

Still image from: ChangeMakers With Niall McCann: Jenny Desmond

Still image from: ChangeMakers With Niall McCann: Phillip Lymbery

Still image from: ChangeMakers With Niall McCann: Tom Mustill

Still image from: ChangeMakers With Niall McCann: Will Travers

Green fields partially flooded with water from a winding brown river. Caption: The Yangtze River rose many meters.

People on a rooftop wearing hard hats with tools in their hands. One hard hat says "Solari" on the back. Caption: installing modules and arrays for large commercial sites

A diver carries two oxygen cylinders and dives deep into the Floridian aqufier. Caption: It's the primary source of fresh, clean water.

Still image from: Climate Change

Global map of coral reef acidification. Yellow, orange, and red currents swirl across the globe. Map title reads, "Coral reefs and aragonite saturation. 499." A color scale reads from yellow to blue, "3.3, limit for carbonate coral reefs."

Closeup of a coral reef with different shapes, colors, and sizes of coral. A school of bright blue fish swims over the coral towards dark blue waters in the background.

Closeup of 2 yellow and black striped fish and a blue tailed fish swimming through ocean coral of varying sizes and shapes.

View below and in front of a sea turtle gliding through the blue ocean. His eyes look up and his flippers are pointed down taking strokes as his legs and tail extend behind him.

Multiple multistory snow covered building complexes at the foot of snow-covered slopes. Caption: The winter sports industry supports more than 37,000 jobs

Two people at a glacier. Snow on the mountain in the background, one person standing on a rocky riverbank, the second person in the river with a measurement tool. Caption: Climate change impacts glaciers by a number of means.

Rough ocean lapping against dirt and sand embankment against a road with vehicles driving on it. Two houses over the water on stilts are starting to fall into the ocean. Caption: It's particularly vulnerable to sea level rise impacts.

Ocean shoreline on one side and rising water on the other encircle a strip of densely populated buildings. Caption: Also, sea level may rise slowly or rapidly,

Person standing on an overlook pointing at the drop-off edge of a dam. Caption: But, where does the water come from?

Person in shadow against a backdrop of open expanse of ocean and sky. Caption: The new adversity they're having to deal with is climate change.

People with sacks covering their faces and phrases such as "Greed" and "Self Interest" written on their shirts stand next to a person wearing Earth with a face over their head. 1st Earth Day April 22, 1970 Caption: It was the first celebration of Earth Day,

A discoloured coral colony labeled, bleached coral colony. Caption: The symbiont provides 75 percent to 80 percent of the energy.

An aerial image of a coral by the sea shore titled, Arrecife De Coral. Spanish Caption: podemos ver de que estan hechos estos arrecifes.

Close up of waves on the shore. Caption: it is dramatically changing the chemistry of the ocean.

Close up of globular coral with a striped tropical fish swimming in front. Caption: We will learn how super corals are being developed in the lab,

Towering coral reef with swimming fish as seen from below against the ocean surface. Caption: (narrator) But the whole reef system is in incredible danger.

Jagged shoreline with rough waves and plant life growing at the crest of the rocky peaks. Caption: ocean acidity will double by century's end

Flat, fan shaped, leaf-like structures grow off coral while a person in scuba gear swims by. Caption: Much of their oxygen comes off the coral reef.

Aerial view of a coastline with a coral reef running parallel to it. Caption: But the Great Barrier Reef isn't just old, it's huge.

Herd of bison grazes on dry grass. Text on image reads, "Core Biology. Environmental Sciences."

A blue whale in the water, from above. Caption: Blue whales are the largest animals

Dugong face with the body visible behind it. Caption: but it's actually a descendant of elephant lineage.

Adult male penguin with multiple penguin chicks and a few adult penguins in the background. Caption: He searches the colony, calling for his chick…

A sea turtle in the sand. Caption: most of a sea turtle's life remains a mystery.

A humpback whale seen from below. Caption: Today, just 10,000 remain in the North Atlantic ocean,

A hammerhead shark, seen from below. Caption: (narrator) Bull sharks, tiger sharks, and hammerheads.

A leopard seal with its mouth open. Caption: Armed, dangerous, and extremely hard to find,

A Hawaiian monk seal as seen from below. Caption: The Hawaiian monk seal is on the brink of extinction.

A carpet of green grass in a backyard with palm trees. Caption: (Steve) It looks 100% natural.

Hundreds of batteries of all types. Caption: Things like metal -- zinc, nickel, cobalt--

Industrial metal pinchers pick up a giant pile of discarded fishing nets. Caption: "You're gonna make electricity out of old nets? How?"

Person pulling a blue bin with "Goodwill" printed on it across a paved loading dock. Caption: How that clothing gets processed, organized, sold,

Closeup of a stout cylindrical cactus with long, sharp spines. Caption: They're drought-tolerant, don't require much water,

Large machinery on piles of garbage. Caption: We're obviously standing on top of the landfill.

The exposed spine of a roof with insulation and plywood falling around it. Caption: What happens to a house when it's demolished?

Two people with a box full of plants in pots. One plant is removed, and the woman is touching a leaf. Caption: There are insects that don't move.

Computer screen with wire form of a play structure. Caption: so they can see in detail where every part goes.

Industrial forklift moving several flattened cars. A giant pile of shredded metal in the background. Caption: We mix flattened car bodies, appliances, and sheet metal

Gloved hands reaching into a large cardboard drum full of lightbulbs. Caption: that live in the area that bring them for recycling.

Long pile of thousands of old, dirty tires. Caption: First question: Where do you get all these tires from?

Conveyor belt with trash spread out on it. Caption: Those small decisions can make a big impact

Stacks of disposable meal trays in foreground with a school cafeteria in the background. Caption: I saw a sign that said "Recycle Polystyrene Here."

Edge of a manhole cover with "No Dumping Drains to Bay" printed on the ground. Caption: That goes into storm drains and ends up in the Santa Ana River.

Split image of a toilet and concrete lined channels of dirty running water. Caption: Goes into the sewers, comes here.

Curving river with unnaturally even banks winds through green fields. Caption: which is like a highway for water.

Bird on a perch in an enclosure. Caption: When they're ready, they go.

Cartoon of a peg-legged sea captain talking to three kids and a bird. Caption: Thank Neptune you're here!

Cartoon of a person next to a display reading "0000". Caption: [ Alarm blares ] Here we go!

Cartoon of a person clasping their hands in front of them. Caption: What could be better?

Still image from: Cyberchase: Coral Grief

Cartoon of a person's hands holding a map labeled Tikiville Bike Path. The route is roughly rectangular. Caption: But where are we?

Cartoon of a person and several pigs decorating a room. Caption: Cups, check. Streamers, check.

Cartoon character looking at a large blue flower. Caption: It will block the sunlight and drink all the water!

Cyberchase cartoon. Jackie and Inez stand in the produce section of a grocery store. Jackie holds up a sheet of paper and points to it. Inez is carrying a plastic bag with a few tomatoes.

Still image from: Cyberchase: Living in Disharmony

Cartoon of two characters standing next to a table with the makings of lemonade on it. Caption: It's been a long time since we sold a lemonade.

Still image from: Cyberchase: Sustainable by Design

Cartoon of a person in a monkey suit and a monkey against a jungle backdrop. Caption: I don't mean to be rude, but I'm very busy right now.

Still image from: Cyberchase: The Great Outdoors

Still image from: Cyberchase: The Lilting Loons

Cartoon of a person filling in a table with the following information for canisters: per student (1), per class (20), per school (340). Caption: And two thousand forty cans for all six schools!

Cartoon of three people talking to several other characters surrounded by 10 bins of trash. Caption: We're pretty sure we can get rid of seven-tenths of that trash.

Man wearing headphones points a laser at a sharpshooter insect attached to a grapevine.

Hands cupping plant detritus from the ground. Caption: it becomes dirt.

Two people in hiking gear standing next to a sign showing destinations and distance. Caption: It says we're 32.1 miles from anywhere.

Closeup of a person's face. Caption: This is pollution we don't see, smell, taste.

Huge cloud of dust in the distance engulfing thousands of houses in a city. Text on image reads, "Dust storm."

Gloved hand reaching into a pile of partially decomposed plant matter. Caption: which are decaying to make a rich, dark compost

Person standing in a forest and indicating an area on the ground. Caption: This is our grave site, and this is what we wanted,

Crushed plastic soda bottle on the ground. Spanish captions.

Earth as seen from space with the Sun visible behind it. Caption: (male narrator) All across the planet,

Cartoon of a bear and a dog in traffic with pollution in the air. Spanish captions.

Cartoon of a bear and bird in a forest. Spanish captions.

Cartoon of a bear wearing roller-skates sitting on the floor of a house with a giant pile of roller-skates behind him. Spanish captions.

Cartoon of a bear and a koala talking to an indigenous person in a desert setting. Spanish captions.

Cartoon of a bear wearing a backpack and holding a map with a koala in a desert setting. Spanish captions.

Cartoon of a bear and a monkey outside a house in a forest setting. A stick with a hook lays on the ground in a pile of fallen fruit. Spanish captions.

Cartoon of a bear and small primates talking with a person of Asian descent in a red robe. Spanish captions.

Cartoon of a woman sitting at a desk with an open book in front of her. Spanish captions.

Cartoon of a bear and a dog talking to a girl, while looking at a sundial. Spanish captions.

Cartoon of an indigenous person and a leopard in a jungle setting. Spanish captions.

Cartoon of a bear and a leopard looking at an open photo album. Spanish captions.

Cartoon of a bear and other animals having a picnic and looking dismayed. A large bird has swooped down and taken a hamburger from their picnic. Spanish captions.

Cartoon of two photographs. One shows a man, a woman, and a baby all smiling and happy. The second shows a man, a child, and a manservant all unhappy. Spanish captions.

Cartoon of a bear talking with a person and an eagle with shelves of books behind them. Spanish captions.

Cartoon of an unhappy looking bear with a bird sitting on his head. The bear is remembering walking outside of a house with trash on the ground. Spanish captions.

Cartoon of a bear in the shower. Spanish captions.

Cartoon of a bear wearing a cape and mask standing next to a monkey and an elephant, all celebrating. Spanish captions.

Cartoon of a open photo album showing polar bears and an igloo. Spanish captions.

Cartoon of a bear wearing a scarf and a crab in a snowy mountain landscape looking cold. Spanish captions.

Cartoon of a bear and a mouse floating on a tire with a pile pf garbage behind them facing an injured octopus. Spanish captions.

Cartoon of a bear facing a dog while grabbing his hat as a wind blows. Spanish captions.

Children wearing aprons standing in front of table covered in trash. Spanish captions.

Person holding a package of lettuce while standing in front of shelves of produce. Caption: eat food that has the least negative effect

Garbage truck dumping a load of garbage in a landfill. Caption: (Katrina) Between 5% and 15% of trash contains hazardous substances.

Bats hanging upside down from the roof of a cave. Caption: bat guano was used mainly in fertilizers.

Digital illustration of the 3 chasing arrows. Text in the center reads, "Reduce, Reuse, Recycle, Recovery."

Manatee swimming in the water. Person in scuba gear in the background. Caption: Manatees are actually incredibly graceful creatures.

Person on boat holding a rope attached to a whale in the water. Caption: But steps continue to be taken to help protect this species.

Close up of a sea turtle swimming on the ocean floor. Caption: There are seven different species of sea turtles,

Human hand holding a small, thin brown shark. The shark fits neatly into the palm of the hand. Caption: Photo by Chip Clark, Smithsonian Institution. Caption: the small dwarf lantern can fit in the palm of your hand.

Close up of a sawfish on the ocean floor. It has a large flat body with a long tooth-lined shaft from the mouth. Caption: (male narrator) Sawfish are large, shark-like rays

Tryptic of a coral reef, ice shelf, and seal on a beach. Caption: Endangered Species Act. Caption: under the U.S. Endangered Species Act.

Earth at night as viewed from space. A network of glowing light is visible in unpopulated areas across the globe. Caption: of electricity to light our cities and power our economy.

Inside of industrial p0lant showing metal vats with complex metal tubing. Caption: We're liquefying the sugars out of the biomass.

Illustration of a fish with toxicity entering from the water and through the mouth. Caption: which accumulate more toxin from the smaller fish they eat

Closeup of red-hot charcoal on a grill. Caption: creating a fuel source that works but has problems.

Forest setting with felled tree that has a diameter larger than the logger standing to one side. Caption: Old-growth forests are leveled,

Rolling mountainous landscape with tree in foreground. Spanish captions.

Underwater plants and coral. Caption: Science is working hard to help save all the pieces,

A Wooly Rhino is grazing on the slope of a mountain.

Rocky slope covered in scree. Caption: Weather and gravity are at work loosening soil and rock

Forklift loading cubes of various materials onto a large flatbed truck. Spanish captions.

Building with a rounded end under construction. Person working on the roof. Spanish captions.

Different kinds of batteries held in a clear container. Spanish captions.

Brownish liquid with foam on top. Spanish captions.

Giant stacks of compressed paper material being moved by industrial machinery. Spanish captions.

Industrial processing plant with conveyors dumping material into metal basins. Spanish captions.

Truck dumping tires onto the ground. Spanish captions.

Large sack of crushed plastic soda bottles. Spanish captions.

Still image from: Extinct and Endangered Animals for Kids

An aerial view of the archipelago in Florida. Caption: It is spectacular scenery, and I can never get enough.

A diagram illustrates a fish.

$Map of the western U,S, with fracking icons in Southern California, central and eastern Colorado, and eastern Texas, Oklahoma, and Kansas.$

Digital illustration of a cross section of land showing a wavy pattern of soil types with a black stripe labeled Niobrara 6,800 feet below the surface.

Snapshots of disconnected, unrelated illustrations jumbled together. Spanish captions.

Closeup of glass containers of water with visible particulate matter. One is labeled 1/18/16. Caption: "This is safe." That's what they told us.

Crisscrossing industrial piping in an otherwise empty landscape. Caption: One of the main causes of air pollution

Red dirt hillside partially covered by green foliage falling away into a river with the near bank also covered in green foliage. Caption: the rainforests in tropical climate zones

Fish packed in being dumped out of a bucket onto a metal production line. Caption: I think we have a good product because of our regulations.

Industrial machinery leaving a cloud of dust in its wake, driving across a bare rocky landscape with a partially forested mountain in the background. Caption: But for a long time we were reckless,

Still image from: Global Science: Green Tech--The Future of Our Planet

Still image from: Global Science: Nature--Discovering Our Planet

Hand pointing at part of a blueprint. Caption: to really make sure that the design works very well.

Closeup of a hand handling a small, green plant in a densely populated patch of similar plants. Caption: How do green roofs change how a building transfers heat?

Illustration of objects moving from a chamber with disk shaped spiny structures to an empty chamber. Caption: Here, we force bacteria to move electrons

Illustration of a windmill 100 meters tall receiving air current next to a much taller structure receiving a much larger air current. Caption: The beauty of wind turbines is that they're 100% clean.

Still image from: Habitats for Kids

A baby turtle still mostly in a broken shell nestled in the sand. Caption: USGS

People wearing swimsuits in the ocean. Spanish captions.

Powerline junctions as seen from below. Spanish captions.

Closeup of melting ice. Spanish captions.

Graphic of a mosquito overlaid on a map of Central and South America. Spanish captions.