How to be Earth's Champion
The earth is getting colder and it’s a dire emergency. Wait – maybe the earth is getting warmer and it’s a dire emergency. In the past 50 years, climate change has been front and center, with strident voices trumpeting many different points of view. How can we know what’s right or what changes truly make sense?
In the late 1800’s, scientists were postulating that human activity was affecting the Earth’s atmosphere. In the 1970’s, the loudest voices were proclaiming that the Earth was rapidly cooling, and we were surely headed for another ice age. By the 1980’s, a different understanding became the dominant one – global warming was melting the ice caps and coastal areas worldwide were bound to be covered by the oceans. Then in the 1990’s, the prevailing theory was of climate change – human-activity-created weather aberrations would be the end of us if we didn’t do something soon.
What “something,” though? The truth is, the Earth is a system, not a static item. Even before human activi...
