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Each year we hear more news about the impact of plastic in our environment. It’s a problem along the roads, in the rivers, and particularly in the ocean. Science now tells us that microplastics are even found in our bodies. Microplastics pose a potential health risk. The Environmental Protection Agency has cited past studies that show that microplastics — extremely small pieces of plastic that are either manufactured or a byproduct of the breakdown of larger plastic items — are not only harmful to the environment, but also to human health.
Why can’t plastic be recycled? It turns out that recycling plastic is harder than the plastic industry would have us believe. In part this is due to the necessity of separating different types of plastic. Different types of plastic don't mix well when they are processed, and small amounts of the wrong type can degrade the quality of a whole batch. Remember the recycling numbers on the bottom of plastics? They were put there to distinguish the different type of plastics and which could or could not be recycled. For example, 1 Plastics – PET or PETE (Polyethylene Terephthalate) often used for soda and water bottles; mouthwash bottles; peanut butter containers; salad dressing and vegetable oil containers; etc. should be able to be recycled. While Number 6 Plastics – PS (Polystyrene) used in disposable plates and cups, meat trays, egg cartons, carry-out containers, aspirin bottles, compact disc cases; etc. cannot. If they become mixed, then the whole batch is corrupted. To make it more discouraging, very little of what is supposed to be recycled is actually used because of the ease of making “virgin” material.
Another problem area is plastic bags, like the ubiquitous shopping bags we get at checkout. You can recycle many (but not all) of your plastic bags. But you can’t put them into the same recycling bins where you put paper, cans, bottles, etc. Putting plastic bags in the wrong bin contaminates other recycling.
What to do? Look carefully at the plastics before recycling and only recycle those that have recycling marks 1 and 2 at the bottom of the plastic. Instead of plastic bags use cloth or paper reusable bags. Keep some in your car when you are shopping. Finally, if you do end up with a plastic bag, many supermarkets (like Shaw’s) have plastic bag recycling drop bins. Before you deposit a bag, make sure it is clean and dry, without any paper labels or stickers. Remove receipts and any zip-lock and hard-plastic slider seals before dropping them in the bin.
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