Scientists Are Learning What Changes Are Natural And What Changes Are Made By Humans
The earth is always changing; atmospheric conditions, weather patterns, water, everything is continuously in fluctuation. One challenge today is understanding how many of those changes that are occurring today are natural processes and how many are caused by human activity.
The pristine environment of Antarctica, which has been mostly untouched by humans (except for explorers and researchers), helps researchers differentiate between natural changes and human-made changes. What they are finding is that the vast majority of the rapid environmental changes that are occurring today are the direct result of human activity, especially the burning of fossil fuels.