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Past Umbra

  • Umbra on moving to Canada

    Dear Umbra, Did you really move to Canada? Did you get resident status? How hard was it to do? ValerieMiddleburg, Va. Dearest Valerie, I haven’t actually moved to Canada. I was being dramatic (lying) and I apologize to all who were duped by my ruse. I was also deeply touched by the hearty if unnecessary […]

  • Umbra on trains vs. cars

    Dear Umbra, My girlfriend recently made a trip by train (about 600 kilometers, I’d guess), and it made me wonder just how much more ecological it is to travel by train instead of by car. What’s your take on this? MichaelOttawa, Ontario, Canada Dearest Canadian Michael, The train, it is better. The car, it is […]

  • Umbra on renting hybrids and sharing cars

    Dear Umbra, Do you know of any car-rental companies that offer hybrids? I have heard of a bunch in environmentally friendly California, but my quick search in the Boston area has turned up nil. With high gas prices, I think I’m brewing up a new campaign! JeanDorchester, Mass. Dearest Jean, An environmentally focused rental group, […]

  • Umbra on how climate change will affect us

    Dear Umbra, My girlfriend asked me the other day why global warming was going to be so bad for her. I just graduated with a degree in environmental science, and I like to think I learned something in my classes, but I still struggled to give her a concise, straightforward answer. I see new research […]

  • Umbra on freshwater

    Dear Umbra, What percentage of the Earth’s water is drinkable? What are the remaining percents in categories, such as salt water, polluted water (polluted with what?), and frozen water? And where can I find these statistics? ScottBozeman, Mont. Dearest Scott, About 70 percent of the Earth’s surface is constantly wet. Of all that water, only […]