Through his World Bicycle Relief charity the ponytailed entrepreneur hopes to put millions of sub-Saharan Africans aboard special heavy-duty bikes designed to withstand the continent's rugged roads while carrying 200 pounds of cargo--enough for a weaver to bring his rugs, or a farmer to tote his produce, to market.

FORBES: Creative Giving

My railway journey from Anchorage to Fairbanks stemmed partly from practical reasoning: in Alaska, roads can be rugged and driving is best left to the locals.

BBC: The train that takes on Alaska��s Mt McKinley