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Show Me Science: A Green Planet
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During the late 19th century and the early 20th century, the United States’ rapidly blossoming manufacturing and building industries wreaked havoc on the nation’s mineral resources. To keep up with demand, billions of tons of minerals were mined, and thousands of square miles of topsoil and vegetation were destroyed. In this episode of Environment and Ecology, students learn about this damage done to land, how bioremediation is attempting to reverse these damages and what mining companies are doing to prevent future mistreatment.
Ecology: Our Green Planet - 0:17:05
In its 400 million years on Earth, plant life has evolved from its primitive beginnings into what we see around us today. In this episode of Environment and Ecology, students learn about the fascinating history of the world’s plant life and its ability to adapt. It explains how plants create their own food and gather nutrients, how the Venus Flytrap catches its prey, and explores some of the Earth’s tallest trees.
Environmental Science: The Importance of Biodiversity - 0:16:51
The astonishing growth of human population over the last 200 years has caused drastic and hopefully not irreversible damage to ecosystems worldwide. As we seek food, shelter, and natural resources, we damage the fragile balance of natural wildlife. If we continue at this pace, it is estimated 25% of the current species on Earth may become extinct in the near future. Biodiversity is crucial to sustaining life on Earth, and in this episode of Environment and Ecology, students learn about the efforts being made by scientists all over the world to maintain this vital biodiversity.
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