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Global warming update

Greg Studen  |  03/03/09 @ 3:06pm

Global warming has been in the news a lot lately. From melting sea ice and permafrost in the Arctic, to retreating glaciers, to drought and fires, to the heating of ocean waters, there is news every week that links the Earth's warming climate to major changes in natural systems. The US government under President Barack Obama has officially recognized the...more

The other carbon dioxide problem

Greg Studen  |  02/04/09 @ 2:50pm

We are all well aware of the dangers of global warming posed by growing concentrations of carbon dioxide in the atmosphere. In response to the threat, we have embarked on a great international effort to limit the burning of fossil fuels before warming has caused irreversible harm to ecosystems and to our human civilization. Now evidence is mounting of another...more

Thoughts about carbon offsets

Greg Studen  |  01/29/09 @ 10:06pm

What are carbon offsets? We start with the fact that burning carbon-based fuels (these are the fossil fuels--oil, natural gas, and coal) provides the essential energy to power our civilization. Unfortunately, burning these fuels also pours carbon dioxide (CO2) into the atmosphere, which is causing dangerous levels of global warming. The fundamental approach to solving the problem of global warming...more

The third great transition

Greg Studen  |  10/29/08 @ 2:00pm

One weakness of the current debate about environmental issues is that it does not take sufficient account of the history of human impact on the planet. The modern environmental movement is widely accepted to have begun in the late 1960's and early '70's, when many critical environmental pollution problems exploded into public consciousness. Those were the years of Silent Spring and...more

William Scheele's passion for nature

Greg Studen  |  10/23/08 @ 11:44am

The current exhibit at the Cleveland Museum of Natural History, "A Passion for Nature: The Art of William Scheele," showcases the artistic talent of one of the museum's most successful former directors. Scheele led the museum from 1949 to 1972 as its executive director, and was influential in shaping the museum as a strong voice in the modern environmental movement....more

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