Fifty years ago, a 28-year-old Colombian with a bushy beard, flares and vintage Raleigh bicycle led a revolution on the ...

Getting millions of people to use less water is a complicated dance, but the city tracks our collective effort by publishing the daily consumption rate and the fullness of the reservoirs from ...

In 1974, Ortiz Marino recalled, Bogota was "a city designed for cars, but in which people do not have cars." The bicycle became a symbol of emancipation, "allowing everyone to move about in ways ...