STANFORD Magazine: SAGE

Get answers to your sustainability questions from SAGE, a Stanford project dedicated to providing sound environmental advice and information to alumni and other members of the Stanford community. Students from environmental communications course IPER 200 look forward to answering your questions—and bridging the gap between scientific understanding and public awareness. More about SAGE »

Recently Answered

Would a large SUV that is 50 percent electric, 50 percent gas powered use more resources (both from electricity if it's generated by a non-renewable resource, and from the gas itself) than a small station wagon (such as a Volvo)?

Asked by Amanda Schlott Lietman
My apartment is rented. It has very poor insulation—the walls, the windows, the space around the door are all terribly energy inefficient. What simple steps can I take as a renter to reduce my energy consumption without renovating? How much energy can I save using these steps?

Asked by Jim Salvia
I'd like to know the differences in environmental impact between mined diamonds and those that are lab-created. Besides the obvious social upsides (avoiding war-torn producer countries, child labor in mines, etc.), what are the environmental benefits?

Asked by Gordon Haupt
Is it really more economical to use electric space heaters where the people are than to heat the whole house?

Asked by Mary Fahnestock
The average global temperature has dropped two degrees in the past two years. Crop yields are projected to decline 10 percent in 2009 due to cooler growing conditions. Approximately 85 percent of CO2 is not from man-made sources. Countries outside the United States produce the majority of CO2 and their growth rate is accelerating. If global warming is actually due to man, rather than sunspots or other natural causes, how can the current efforts to minimize CO2 emissions before we have replacement technology be cost justified?

Asked by Daniel Wildermuth
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