Presentations, videos, and educational activities with an emphasis on environmental science and public health

Browsing Archive: April, 2015

Flying Now More Efficient Than Driving?

Posted by Antonio Chaves on Wednesday, April 29, 2015, In : environmental news 
According to this study from the University of Michigan taking a plane is more efficient that "driving".The comments below the article reflect my misgivings about the lack of comparison to other forms of ground transportation (like long distance buses), but in all fairness I only read the abstract of the study. Maybe these comparisons are in the original research article. However, the fact that plane travel has gotten cheaper and more crowded is probably indicative of improvements in energy e...
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Video About My Lab Manual

Posted by Antonio Chaves on Friday, April 24, 2015, In : lab procedure explanations 
I have not been posting lately because I was very busy putting together this 8-minute video about the lab manual I wrote for environmental science. I was so obsessed with getting it right that I missed a credit card payment (it slipped my mind) and my kids started to think I was ignoring them. It's over now, I will pay the late penalty and make it up to my kids. Let's hope it was worth it!
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Questioning the Sustainability of Electric Vehicles

Posted by Antonio Chaves on Saturday, April 4, 2015, In : environmental news 

While I have a great deal of respect for Bjorn Lomborg, I would like to see an itemized chart showing how he came to the conclusion that electric vehicles are more polluting than those that rely on internal combustion engines. Beyond the obvious fact that electric cars are only as clean as the means whereby the electricity is generated, Lomborg does bring up the overlooked issue of battery life and the resources needed for their manufacture and disposal. The fact that recharg...


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About this blog

This blog was originally created in January 2013 to serve as a means for providing updates on science activities from the environmental science lab manual Ecology, Development, and Sustainability. I have now expanded its purpose to include other items of interest to science teachers. 

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