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Discusses some of the biggest problems facing the environment today and how it is being abused. Provides an overview of the role of the greenhouse effect, carbon emissions, air pollution, and how the burning of the rainforest affects global warming. Explains the "carbon footprint" and outlines an experiment with acid rain. Shows how much water and unnecessary packaging material people use every day. Details how people can "refuse, reuse, and recycle," contributing to a healthier Earth.
(Source: DCMP)
As shown on the History Channel. Over 20 years ago, Mount St. Helen's--thought to be dormant--shocked America when it exploded. It is an acidic volcano--the magma beneath is full of volatiles making it highly explosive. A new plug has formed in its throat and is rising. When it blows, it will be like uncorking a champagne bottle, releasing pressure below and allowing dissolved gases to escape and explode. The question is, When will it blow again?
Energy has been essential for the development of human activities from the Industrial Revolution to present day. Over the course of history, human consumption of energy has increased significantly. Currently, society depends largely on nonrenewable energies that come from fossil fuels. However, the increase in greenhouse gas emissions has highlighted the need to change from fossil fuels to renewable energy sources that reduce environmental contamination. Many industries are committing to the development of alternative energy sources that don’t contribute to global warming. Chapter 9 of Air: Climate Change Series.
Global warming is accelerating the melting of the world’s glaciers. The rate of glacial retreat has increased over the last hundred years due to global warming and the increase of greenhouse gas emissions. The increase in glaciers melting has significant impact on the water supply for many global communities. Glacial retreat also impacts world climate zones since glaciers help regulate the climate of the planet. However, scientists argue that it is not too late to reverse the effects of global warming in an effort to decrease the rate at which glaciers are melting. Chapter 11 of Air: Climate Change Series.
Gabriela, Manuel and Leonardo are three friends who accidentally start a rocket that takes them to space. Their journey through space takes them to different planets and strange worlds. Throughout their journey, they have the help of Maqui, an on-board computer. Maqui helps them learn about the universe. The spaceship runs out of water, and the kids urgently look for more. They arrive at a planet full of water, and the habitant that greets them tells them of great flood that almost made the whole continent disappear. Manuel asks Maqui about this phenomenon, and she explains the greenhouse effect.
Welcome to the North Carolina State University (NCSU) Phytotron, a singular facility for growing plants under various combinations of strictly controlled environmental conditions. Scientists are able to conduct all types of plant research here, from studies of disease-resistant crops to drought-proof grasses to new biofuels. The NCSU Phytotron was built in the 1960s with support from the National Science Foundation (NSF), and was used a decade later to help prevent a collapse in the U.S. corn crop from fungal disease. Now, after more than a generation of such research breakthroughs, the Phytotron has received additional support from NSF for a 21st century makeover. The renovations include a new Biosafety Level 3 (BSL-3) lab with a greenhouse that houses high security research, such as experiments with viral and bacterial pathogens. Part of the National Science Foundation Series “Science Nation.”
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A collection of Chemistry related resources
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Biology related concepts
A collection containing 59 resources, curated by Benetech
