Bicycle Diaries: My 21,000-Mile Ride for the Climate

Environmental researcher David Kroodsma dreamed of bicycling down his driveway in Palo Alto, California, and pedaling for months until he reached the tip of South America. When he finally planned his trip, he wanted more than just adventure; he also wanted to raise awareness about the impacts of climate change on the countries he would explore. So he set out on a well-packed bicycle with a busines...