One of the human attitudes that increase the problem is the waste economy. I know that my behavior won't change the course of the history, but I trust in that there are millions as me distributed by the planet. Surely not in the countries of the this way called "first world" that they spend millions of tons of valuable resources per second without true necessity, but yes in Latin America, ÃÂfrica and other places not so "developed".
Step 1: A grain of sand in the desert
I use roll deodorant because it is more economic, I like it more than spray, it is more portable and it works better. If I use it "usually" until it ends, it is always in the bottom a quantity that I have checked that it is good more for three or four days. That which is not anything worthless.