Plastic Grocery Bags

I always collect my plastic bags from the grocery store and bring them back to be recycled. But, wouldn't it really be better if I were using reusable ones? So, in thinking about that, I realized that it would be tough to do that since about half of what I purchase each week is online. So, I've written to my grocery store to see if they can start using reusable bags as an option in their online service. We'll see . . .