Some garbage trucks are now run on methane/natural gas. Since methane is a byproduct of decaying garbage, it can be collected from the landfill and then used to power the garbage trucks. This way, we don’t need to drill fossil fuels out of the ground.
In the past few years I have seen a lot more single stream recycling. This means you can often put all number of plastics, paper, cardboard, and metals in one bin. Recycling companies then separate out the recyclables. Most curbside recycling services only take #1 and #2 plastics (PET and HDPE), so it’s great that more of the other plastics are being reused. There has been a big increase in the amount of polypropylene being recycled. PP is commonly used in yogurt containers, razor blade handles, and container/bottle lids. I’m hoping to see more items recyclable in the near future.
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