The idea of "Environmental Activism" in North America, for the most part, is grounded in its educational roots. The idea that the more people know about how to make environmentally conscious decisions and why they are important, the more likely people will care and thus, make choices of their own free will and volition.
This idea persists in Colombia as well, but imagine, if you will, that instead of being voluntary, it was was mandated environmental awareness? If instead of suggesting an environmentally inspired day, such as "Ride a Bike to Work Day," where people, if they want, are encouraged to leave their gas-guzzler in the garage and huff it to school or work, they were legally forbidden to take their car on the street. How do you think that would fly?!?
Well, today was Dia Sin Carro and it was officially illegal to be on the street with a personal vehicle between the hours of 7am and 7pm unless you were a part of official government business, the police or emergency services, school transportation, or other crucially important things like restaurant delivery services. I mean, really, the President and the Domino's Pizza guy both have things to do today, right?!?