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Get Real: Glass vs. Plastic

**This post is part of the Get Real series. Please remember that this is meant as a learning community. We know that many of you are passionate about what you do and we want you to express that, just please do so in a way that will be an encouragement and aid to others making a transition. We want this to be a “safe space” for participants to learn. For that reason, we reserve the right to delete any comments that are not handled in this manner.

I should be upfront with you and tell you that I intentionally no longer use plastic containers if I can help it.  There is very little plastic left in my home where the kitchen, food, and drink are concerned.  In this discussion I am biased, but that’s just me.

Here at my house we use a lot of glass jars.  Since we are constantly purchasing grocery items that are stored in glass jars, we have a steady stream of storage containers coming into the house.  We don’t use Tupperware, or plastic food containers. We just use the glass jars left from our grocery purchases.  My husband and I have gotten more than a few questions about why we are drinking our coffee or chai out of a Mason jar.  They are just our container of choice.

My glass jar shelf

A little about glass:

Consider a glass bottle, which is essentially melted sand.  It is likely already made up of at least 25% recycled glass, plus some new glass material.  Once that glass bottle is recycled, it is ground up into small pieces forming a material called “cullet”.  Cullet can be mixed with sand, soda ash, and limestone to form new glass containers.  Glass never wears out, can be recycled time after time without losing its integrity, and it is 100% recyclable.  Plus, glass has been shown to preserve quality and flavor of foods and lengthen shelf-life better than plastic. One ton of recycled glass saves 1.2 tons of raw materials needed to manufacture the glass.  Cullet can be used to make new glass containers, fiberglass insulation, concrete, polymer composite sewer pipe, brick, and terrazzo (flooring material).  It can also be used as a filler in paving for making a road surface called “glassphalt.”  Where I live in the Midwest, we have a major glass recycling center that grinds glass into powder-fine material to be used mostly for making fiberglass.  Glass for recycling is in high demand here.

Now let’s compare plastic:

Plastic resins are made from petroleum, natural gas, and coal derivatives called olefins.  Every time a product is packaged in a plastic container, it is new plastic. All new resources went into making that container. One of the disappointing things about plastic is that once it is used the first time, it will no longer possess the same quality.  Plastic loses its integrity each time it is recycled.  For example, the first time a plastic is produced it could be a plastic soda bottle, but once it goes through the recycling process it is then turned into something like fleece fabric, the fiberfill in your sleeping bag, or even a reusable grocery bag.  It can never again be something as strong and durable as it was when it was in its original form; this is called down cycling.  It’s like making a photocopy of a photocopy. The quality continues to decrease each time.

When food is stored in plastic it can absorb smells and alter taste because it is so permeable.  Some studies show that plastic (namely the additives that alter color and durability) can leach into your food, especially foods that are hot or foods that are high in fat content.  There is evidence that leached plastic can disrupt hormones as well.

Have you heard of BPA (aka bisphenol-A)?  BPA is an ingredient used to make some plastics. It exhibits hormone-like properties and raises concern about its suitability in consumer products and food containers. Since 2008, several governments have questioned its safety, which prompted some retailers to withdraw polycarbonate products. A 2010 report from the United States Food and Drug Administration (FDA) warned of possible hazards to fetuses, infants, and young children. In September 2010, Canada became the first country to declare BPA a toxic substance.The European Union, Canada, and recently the United States have banned BPA use in baby bottles.  Some research suggests that BPA exposure is linked to an increased risk of cardiovascular disease and diabetes. While most PET water bottles don’t contain BPA, #3 or #7 plastics may, according to the U.S. Food and Drug Administration. The FDA continues to monitor the research on BPA.  Unfortunately, BPA is still widely used and is found in the linings of most canned goods as well.

It is important to remember that plastic was originally developed to be a material for permanent products.  Plastic is basically immortal and was never meant to be the primary material for disposable products.  It lives on indefinitely, and this is the reason we must make plastic recycling a priority.  It will continue to live on wherever it ends up–whether that be in the landfill, floating around in the ocean, lying in a roadside ditch, or hopefully when it is recycled into a new product. Please recycle when you do use plastic!

Some important things to remember when it comes to plastic:

Do not microwave plastic or put hot food or drink in plastic. It can leach into your food.

Storing high fat foods in plastic can cause leaching.

Recycle or re-purpose old, worn out, or scratched plastic containers for non-food use.  Plastic particles can easily make their way into your food when the container is damaged.

It is best to hand wash plastic.  If you cannot hand wash your plastic food containers, be sure to put them on the highest rack of your dishwasher to minimize exposure to intense heat.

Do not give your baby any plastic teething toys.

Avoid the use of #3 plastics (aka PVC) whenever possible.  According to Greenpeace, “this commonplace plastic is one of the most toxic substances saturating our planet and its inhabitants. PVC contaminates humans and the environment throughout its lifecycle: during its production, use, and disposal. Few consumers realize that PVC is the single most environmentally damaging of all plastics. Since safer alternatives are available for virtually all uses of PVC, it is possible to protect human health and the environment by replacing and eventually phasing out this poison plastic.”

Avoid using styrofoam (one kind of #6 plastic) whenever possible, especially for hot food and drinks.  It is unsafe, and also not recyclable (though the bottom of the container says it is).  Bring your own take-out containers when you anticipate bringing home leftovers from a restaurant (we use this one).

Avoid using #7 plastics as much as possible–it is a mixed bag and you never quite know what kind of plastic is included in the mix.  This type of plastic is not easy to recycle and most likely ends up in the landfill.

Just remember this little rhyme regarding plastic numbers (found on the bottom of most plastic containers): “1, 2, 4, 5- use ‘em and you stay alive; numbers 3, 6 and 7- use ‘em and go straight to heaven”.

Plastics with the numbers 1, 2, 4, or 5 are considered safer and are much easier to recycle.

Want to know more about what all the plastic numbers mean?  Take a look at this handy guide.

Here’s another great explanation of the different recycle symbols and what they each mean.  As we’ve said here at Get Real many times before, you can learn a lot from what your package says!

October Week 4 Action Item:

Each week we will try to give you some simple action steps to put this journey into practice. It is important that you start this journey by understanding yourself, your goals and perhaps your obstacles.
  1. Take a look at the plastic containers in your food storage arsenal.  Check and read about the various plastic numbers and what they mean.  Be an educated consumer!

October Get Real:

Please take a moment to thank our guest authors by clicking over to their sites and/or liking them on Facebook and/or Twitter.

Sponsor:  Once A Month Mom

Guest Author: Donielle of Naturally Knocked Up

 


12 Responses to “Get Real: Glass vs. Plastic”

  1. stacey says:

    Thank you posting this! Would love to share a plastic alternative we are working on for kids that make using glass more practical and safe. http://www.kickstarter.com/projects/1659480065/siliskin-glass-silicone-glass-the-best-cup-ever?ref=live

  2. Holly U says:

    We have eliminated most of our plastic too, but there’s one area where I haven’t found a good replacement: a big tub, which could hold say about a gallon of soup. I have found glass jars or other containers up to about half that size, but could use something bigger. Have you found anything that would fit the bil?

  3. Stephanie says:

    What about freezing? Have you found any good alternatives for freezing foods without using plastic? I would love to eliminate more plastic!

    • Kelly says:

      Stephanie I freeze in my glass containers or my metal pans quite a bit.

    • debbie says:

      I’m with Kelly. I freeze in glass quite a bit. I learned the hard way to leave a couple inches of space at the top of the container to prevent the glass from breaking after the contents have frozen, though! ;) Best results if the glass is not too thin!

  4. Patty D. says:

    We also reuse glass packaging for food storage and I was wondering if you had a suggestions for cleaning the jar lids. It seems no matter how many times I put it through the dishwasher, the lids of my salsa jars still smell very strongly of salsa.

    We’ve been making the switch to glass at our house as well; partially because my husband now works for O-I, the world’s largest producer of glass containers. He helped create this website, which you might find interesting as it supports glass use for many reasons.

    http://glassislife.com/

    • debbie says:

      Patty, yes! There is a great way to get rid of the smell, and that is vinegar! I keep a spray bottle of half water and half vinegar under the sink to be used for a variety of things, this being one of them. Spray the lids with vinegar & rub it around with your fingers or a dish brush, then wash with dish soap, or put in the dishwasher. This has always done the trick for me.

      Thank you for sharing the website–I’ll check it out right now! ;)

  5. J.W, Sudomo says:

    If you were reuse it, you will have to wash it. The amount of water you use should be put into the equation.

  6. [...] in plastic containers due to the potential for chemicals and additives to leach out. As always, do your research and make your own call, but if you feel that plastic is not the best choice for your family, then [...]

  7. Monica says:

    Thank you for all of this valuable information. I drink bottled water, because of the negatives of tap water. I recycle all of my plastic bottles. I have been unable to determine the number on the plastic bottles I use most often. I will continue to research this. Thank you for the list of numbers, and for the clever rhyme. I have become increasingly aware of the dangers in microwaving with plastic, and use paper and lightweight glass dishes whenever possible. Due to MS, I have decreased strength in my hands. I also have problems with manual dexterity – so, it is impossible and impractical for me to switch completely over to glass. I am in danger of dropping and breaking it. Thank you, once again, for the valuable information. Your cupboards look beautiful with the glass containers. I love the website!

  8. […] and cook with glass than it is with plastic for health and quality reasons. Food stored in plastics can absorb the smell, taste and even additive chemicals (like BPA and PVC) that give plastic its properties. Ever notice how those cheap Poland Spring […]

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