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For example, recycling one ton of plastic in a closed-loop system saves about 7.4 cubic yards of landfill space. Since the grocery industry demonstrated [ when? ] that consumers use at least 690,000 tons of plastic in a year, universal implementation of ideal closed-loop recycling systems could save at least 5.1 million cubic yards of landfill ...
Plastic recycling is the processing of plastic waste into other products. [1] [2] [3] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [4] [5] [6] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.
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Life cycle analysis studies show that some bioplastics can be made with a lower carbon footprint than their fossil counterparts, for example when biomass is used as raw material and also for energy production. However, other bioplastics' processes are less efficient and result in a higher carbon footprint than fossil plastics.
Creating a new piece of plastic, for instance, may cause more pollution and be less sustainable than recycling a similar piece of plastic, but these factors are not counted in market cost. A life cycle assessment can be used to determine the levels of externalities and decide whether the recycling may be worthwhile despite unfavorable market costs.
A plastic is considered biodegradable if it can degrade into water, carbon dioxide, and biomass in a given time frame (dependent on different standards). Thus, the terms are not synonymous. Not all bioplastics are biodegradable. [44] An example of a non-biodegradable bioplastic is bio-based PET. PET is a petrochemical plastic, derived from ...
Life-cycle diagrams. 1 — meiosis (reduction); 2 — mitosis (replication); 3 — sexual process (recombination). A — meiosis leads to the formation of meiospores (e. g. in Vascular plants ); B — meiosis leads to the formation of gametes (e. g. in Metazoa ); C — meiosis immediately follows the formation of a zygote (e. g. in Fungi ).
A chicken rice burger. A rice burger or riceburger is a variation on the traditional hamburger with compressed rice patties substituted for the hamburger buns. [1] The MOS Burger fast-food restaurant chain introduced the rice burger in Japan 1987, [2] [3] and since then it has become a popular food item in East Asia.