The eighth bullet point is a disappointment, though I don’t believe they are differentiating between “hard plastic” and over-used plastic bags.
The latest recycling statistics show that over 90% of plastic waste hasn't been recycled. Find out why we need to improve our recycling efforts.
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This is from what I heard in our local recycling center:
Different plastic has different melting point, so if you mix in hard plastic, clam shell, bags they becomes a mess and nobody wants to buy the final product. Same for dark color / black plastic, once you go black you can't go back, so they tell us to just trash black plastic. Fewer higher quality plastic means they can sell them (maybe to China too) instead of having to toss it into the landfill after cleaning them up.
Interestingly they told us in our area we can recycle juice boxes and other tetra-pak containers too, I guess we have high landfill cost and we have people willing to invest in the future to buy the process here.
Today's biggest problem in recycling is quality, you want quality over quantity. So if you don't want to recycle it is ok, just put things in the trash, don't ruin it for everyone else by putting trash in the recycle bin.
I probably recycle more than anyone I know, but still, I toss peanut butter jar and engine oil jug into trash instead of recycle bin.