I think if everyone did a little bit toward recycling the result would be grand. It's a little piece of the big picture.
My boyfriend and I have started collecting all our cans from soda/beer and will take it in large batches to the recycling center. Not only is it a great way to make some extra money, it's also a great way to do your part for the earth.
Regardless of your views on the whole global warming, etc - it's a simple fact that landfills take up TONS of space and as American's we are all about wasting things, tossing things out and that's horrible.
If all it takes is for me to take my can and toss it in a bag (reused grocery sack) then I'll do that.
I always use my walmart sacks around the house - whether it's to clean the cat box, or as a garbage can liner, I will reuse them. I thought about just getting paper or my own sacks, which I haven't ruled out - however, in the end I'd just end up using trash liners thus having more money spent and more waste added to the land fills. At least this way I'm not tossing out plastic sacks empty (that usually end up blowing around highways etc and getting stuck in fences.
There are tons of simple ways to conserve energy and save the planet, again regardless of your views on what's happening to the earth. It's amazing how one simple change be it recycling or turning off lights or unplugging appliances when not in use - and how big of an impact it will have.
Some might call it hippie stuff... I call it NEO-hippie stuff