The Netherlands

According to Expatify.com, the worlds most bike- friendly country is none other than the Netherlands. With over 430 miles of bike-only lanes, it is known as the biking capital of the world.
Most people in the Netherlands using cycling as their primary mode of transportation, its also estimated that some 18 million bikes are within the country. This large community of bikers have brought on significantly positive environmental benefits. Findings from this article show that air pollution from transportation is on the decline, and that the air quality is actually pretty clean.
If more countries had the same number of biking lanes, perhaps we would be on our way to becoming a greener planet.