Global Warming

Ok what is the big deal with global warming? Im not a person who has this big worry about our inviroment but OMG let it go, iof everyone is so worried about the inviorment then they woul ddo more about it... Im not seeing really big movemnet or anything like that to help our inviorment but when i do ill be sure to stop throwinf my trash on the ground............ at least for a little bit