JWELL Popular Science丨Top Ten Common Renewable Materials

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Some energy is renewable, and so are some materials. Generally, renewable materials are also environmentally friendly because they can be reused. So how many environmentally friendly materials do you know?

I think the most common ones that come to mind are plastic bottles and glass bottles, and of course, these are indeed true. Organizations around the world have united to ask people to recycle and remove harmful products from our environment. Now there are organizations researching the world's most environmentally friendly delivery boxes, which shows that environmental protection is becoming more and more important.

Ten common renewable materials

10. Used motor oil 9. Glass 8. HDPE plastic bottles 7. PETE plastic bottles

6. Cardboard 5. Wires 4. Computers 3. Newspapers 2. Steel cans 1. Aluminum cans

Used motor oil can contaminate soil and water if not properly disposed of, so it is important to recycle and reuse it. Used oil can be used as a base for lubricants, and two gallons of used oil can generate enough electricity to power an average home for a day. You can pour the oil into a pan, into an empty container, and an auto supply store may be able to use your recycled motor oil.

Glass can be melted and cast into new glass, it is not non-reusable. Using virgin glass to make recycled glass containers reduces the energy required by 50%. Other benefits of recycling glass include reducing air pollution by 20%, reducing water pollution by 50%, and 250 pounds of mining waste, and making one ton of glass from 50% recycled materials.

High-density polyethylene plastic can be used to hold detergent, milk, bleach and shampoo, and has many uses. They are marked with a triangle shape formed by three arrows, usually printed on the packaging. They are HDPE bottles. You can put them in the trash cans with numbers 1 and 2, and professional personnel will come to recycle them. As everyone knows, this kind of bottle can be recycled.

PETE plastic bottles are generally used to hold drinking water and beverages. PET is the abbreviation of polyethylene terephthalate. This is particularly important because Americans buy about 25 billion bottles of water each year, but nearly 80% of them end up in landfills. If all these plastic bottles are recycled, it can reduce the original energy by two-thirds, which is very beneficial to the environment.

Remember, next time you don't want a cardboard box, be sure to put it in the recycling bin. Not only can it be thrown away casually because it is biodegradable, it also involves the cutting of some trees. According to Waste Management, recycling one ton of cardboard can save 9 cubic yards of landfill, and using recycled cardboard to make boxes can save 24% of the energy used to make new cardboard.

We all know that wires are made of metal. Don't think about it. If you have unused wires at home, remember to recycle them. Because these wires may involve a lot of metals, such as iron, copper, etc. If every household's discarded wires are used, our resources can be saved a lot every year. This action is also conducive to the sustainable development of mankind.

Recycling computers can save some useful parts, but if they are put into landfills, they may harm the environment. Non-working computers can be disassembled to recover some usable parts, and because some parts involve some rare metals, recycling parts of old computers also helps reduce mining waste.

Recycling newspapers saves 34-60% of the energy used to make new paper. Americans throw about 10 million tons of newspapers in the trash every year. Recycling resources can save energy and reduce people's exploitation of trees.

Coffee lovers, take note, because many cans that hold coffee drinks are usually steel cans, so remember to recycle them. Steel can also store vegetables and other foods. Steel has the highest recycling rate of all materials recycled in North America, with up to 69% of steel products being recycled. This is equivalent to more than 80 million tons of steel, and recycling steel saves enough energy for 18 million households.

Aluminum cans can be recycled repeatedly. Recycling this kind of cans can reduce 95% of the original required materials. It is conceivable how environmentally friendly and energy-saving the recycling of aluminum tubes is.