This video is an introduction to a series of videos, but it gives a good discussion of ecosystems, with examples.
Demonstrations: The Dangers of Oxygen
This video is a safety video showing what problems can occur when there is too much oxygen in the environment.
NASA: U.S. air quality improving
This is a news story discussing how the air has improved over time. They give a different visual from the book.
How Fission Works
This has a good visual for how nuclear fission occurs.
Inside a Nuclear Reactor Core
This is a great video on how a nuclear reactor actually works.
30 Years After Chernobyl, Nature Is Thriving
This video explores the Chernobyl exclusion zone (the evacuated area around the power plan), showing how nature is thriving.
Two articles I have written about the Great Pacific Garbage Patch
Exaggeration about the Great Pacific Garbage Patch
A collection of articles about global warming
These are articles I have written over the years that discuss the most recent studies related to global warming.
Dr. Roy Spencer’s Global Warming Site
This is one of the world’s leading experts on global temperatures. He gives the current global temperature and discusses how it all relates to global warming.
Biosphere 2: The Martian Colony We Made on Earth… And How it Went Wrong
This video discusses what went wrong with both Biosphere 2 missions.