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Another great way to improve the environment is biking for trips below 5-10 miles. This carbon offset would do laps around car ownership.

• arbitrage 5y ago
  In mountainous locations, that is not an option.
  • slaw 5y ago
    On hills you could use electric bike. I recommend at least 750W motor.
  • biftek 5y ago
    Bicycles now have these things called gears which make it possible to ride in the mountains