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Get answers to your sustainability questions from SAGE, a Stanford project dedicated to providing sound environmental information and advice. Advanced students from the environmental sciences, engineering, business and journalism look forward to answering your questions—no calculation is too hard, no concern too existential, no conundrum too picayune—or you can start exploring past questions and answers here.

Recently Answered

How bad are pets for our environment? How much would a cat or dog cost if you had to buy an emissions certificate?

Asked by Gerald
Which is better, cloth or disposable diapers?

Asked by Katie Cooke
I have heard that meat consumption is very bad for the environment, because the animals generate a lot of methane. Is this true, and, if so, how can we limit meat consumption while remaining healthy? Would we need to stop eating meat altogether, or would limiting it be enough? How much meat should I eat each week?

Asked by Tesia George
How much does it benefit the environment if I skip a shower once, twice or three times a week? What about replacing shampoo and conditioner with baking soda and apple cider vinegar?

Asked by SueAnne Ying
As an avid reader and conscientious consumer, I am interested in aligning my book-buying habits with environmental values. What is the most eco-friendly way to read books?

Asked by Lucia Constantine, '10

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