United States

Northern Mariana Islands

Puerto Rico

American Samoa

Guam

U.S. Virgin Islands

U.S. Minor Outlying Islands

US & Territories

<p>In this two-hour special, renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet. Following a trail of strange fossils found in all the wrong places—beech trees in Antarctica, hippo-like mammals in the Arctic—Johnson uncovers the bizarre history of the poles, from miles-high ice sheets to warm polar forests teeming with life. What caused such dramatic changes at the ends of the Earth? And what can the past reveal about our planet’s climate today—and in the future? (Premiered February 5, 2020)</p>

<p>Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.</p>

Polar Extremes

<p>Something big is happening to Earth’s climate, and the polar regions hold the key to understanding it. Join top scientists on the hunt for clues that tell a surprising story about our planet’s past...and preview where we might be headed.</p>

The Polar Lab

<p></p><p>Disastrous hurricanes. Widespread droughts and wildfires. Withering heat. Extreme rainfall. It is hard not to conclude that something’s up with the weather, and many scientists agree. It’s the result of the weather machine itself—our climate—changing, becoming hotter and more erratic. In this two-hour documentary, NOVA will cut through the confusion around climate change. Why do scientists overwhelmingly agree that our climate is changing, and that human activity is causing it? How and when will it affect us through the weather we experience? And what will it take to bend the trajectory of planetary warming toward more benign outcomes? Join scientists around the world on a quest to better understand the workings of the weather and climate machine we call Earth, and discover how we can be resilient—even thrive—in the face of enormous change.</p>

<p>Discover how Earth’s intricate climate system is changing.</p>

Decoding the Weather Machine

A meteorologist explains images on a computer screen

Flood Modeling, Predictions, and Warnings

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<p data-block-key="wgjy3">Learn about real-time data collection and models used to forecast flooding, and their limitations, with these videos from NOVA <i>Superfloods.</i></p>

How Ocean and Air Temperatures Affect Storm Intensity

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<p data-block-key="e5k83">Learn how changing ocean and air temperatures may result in more intense rainfall and flooding with this video from NOVA <i>Superfloods.</i></p>

An image of storm clouds forming over a mountain range

One Cause of Extreme Flooding

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<p data-block-key="z5zal">Learn how a type of weather system called a cut-off low [pressure system] can lead to extreme flooding with this video from NOVA <i>Superfloods.</i></p>

How Animals Help Plant Forests

<!DOCTYPE html><html lang="en"><head><link rel="preconnect" href="//static.pbslearningmedia.org/" crossorigin><base href="/"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><title>How Animals Help Plant Forests | NOVA | Grades 6-8 Science Teaching and Lesson Resources</title><link rel="canonical" href="https://www.pbslearningmedia.org/resource/nvsotf-sci-animalplantforest/how-animals-help-plant-forests-nova/nova-premium-collection/"/><meta name="description" content="Explore how animals play a role in growing forests by spreading seeds, and learn about their impact on the ability of forests to store carbon, with these videos from NOVA Secrets of the Forest. Use this resource to provide students with opportunities to ask questions for investigation about the role of animals in restoring degraded forests. "><meta name="viewport" content="width=device-width, initial-scale=1"><meta property="fb:pages" content="213237472033241"><meta property="og:type" content="website"/><meta property="og:site_name" content="PBS LearningMedia"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:site" content="@PBSLrnMedia"/><meta property="og:title" content="How Animals Help Plant Forests | NOVA | Grades 6-8 Science Teaching and Lesson Resources"/><meta property="og:description" content="Explore how animals play a role in growing forests by spreading seeds, and learn about their impact on the ability of forests to store carbon, with these videos from NOVA Secrets of the Forest. Use this resource to provide students with opportunities to ask questions for investigation about the role of animals in restoring degraded forests. "/><meta property="og:image" content="https://image.pbs.org/poster_images/assets/Animals_Are_Gardeners_of_Forests-poster.png"/><meta property="og:url" content="https://www.pbslearningmedia.org/resource/nvsotf-sci-animalplantforest/how-animals-help-plant-forests-nova/"/><link type="text/css" rel="stylesheet" href="https://static.pbslearningmedia.org/static/lib/fontawesome/font-awesome.css"><script src="https://static.pbslearningmedia.org/static/lib/jquery-3.2.1.min.js"></script><script src="https://static.pbslearningmedia.org/static/lib/js.cookie.min.js"></script><script type="text/javascript" src="//static.pbslearningmedia.org/static/214.0.0/lm/js/utility.js"></script><script>
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<p data-block-key="ff9f1">Explore how animals play a role in growing forests by spreading seeds, and learn about their impact on the ability of forests to store carbon, with these videos from NOVA <i>Secrets of the Forest</i>.</p>

A soil scientist examines piece of organic matter in the palm of his hand

Plants Cultivate Soil Microbes

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<p data-block-key="3vv77">Explore the relationship between plants and microorganisms in the soil with this video from NOVA <i>Secrets of the Forest</i>.</p>

Three bright red mushrooms with white polk-dots

Fungi in Forest Ecosystems

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<p data-block-key="ihg54">Explore how fungi exchange nutrients with plants and learn about their role in the carbon cycle, with these videos from NOVA <i>Secrets of the Forest</i>.</p>

The Carbon-Catching Power of Forests

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<p data-block-key="e5zsy">Learn how forest ecosystems naturally capture carbon and explore some of the drawbacks of single-species tree plantations with this video from NOVA <i>Secrets of the Forest.</i></p>

Topic: Planet Earth

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