even before the movie was though of i knew about 2012 ending... and yes us humans CAN and SHOULD change the future so the world DOESNT end.. like shut down big buildings that are releasing alot of gas into the ozone layer. make signifent gas for cars or just use horse and buggys so theres less pelliunt in the air.. stuff like that can do wonders JUST HELP mother nature so she doesnt have revenge on us by ending our time