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When plastics are left to degrade in the environment, they emit several greenhouse gases, such as methane and ethylene.
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Bruce
前天 16:50
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Bruce
前天 16:50
This happens to most plastic packaging that ends up in landfills.
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Bruce
前天 16:50
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Bruce
前天 16:50
Instead, single-use plastic packaging degrades and may become microplastics, which continue to pollute the environment.
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Bruce
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More so, they never tend to break down completely.
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Bruce
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Bruce
前天 16:50
However, they can take hundreds of years to break down.
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前天 16:49
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Bruce
前天 16:49
As the name suggests, these plastics are specifically designed to be used once.
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Bruce
前天 16:49
Single-use plastics, such as food packaging, accounts for 40% of all plastic produced annually.
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Bruce
前天 16:49
If this continues, annual plastic production could reach up to 2,000 million MT by 2050.
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Bruce
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Bruce
前天 16:49
Notably, plastic production has increased from 1.5 million metric tons (MT) in 1950 to an astounding 368 million MT in 2019.
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Bruce
前天 16:49
Of the 8.3 billion tons of plastics that have been produced since the 1950s, 79% have ended up in landfills or have leaked into the environment.
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How does plastic packaging contribute to climate change?
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前天 16:48
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前天 16:48
A close up image of multilayer coffee packaging in an article on can plastic packaging contribute to climate change
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An additional 30% of emissions are released when this process takes place.
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These pellets are melted and moulded into usable plastic products, such as bottles, food packaging, and medical devices.
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前天 16:40
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The manufacturing and transportation phases of plastic resin are estimated to account for 61% of the total plastic greenhouse gas emissions.
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These are then combined to create different polymers that make up plastic resin pellets which are shipped to plastic manufacturers.
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前天 16:39
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This process transforms them into plastic ��building blocks�� called ethylene and propylene.
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Materials such as ethane and propane are extracted, and then treated with heat in a process called ��cracking��.
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前天 16:39
However, without rigorous safety regulations, fracking may poison groundwater, pollute surface water, damage landscapes, and threaten wildlife.
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前天 16:38
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前天 16:38
Fracking is a process whereby oil companies drill into the ground to inject liquid into subterranean rocks and boreholes at high pressures. This forces existing fissures open in order for oil or gas to be extracted.
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