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Think of all the food made in the world each year.
Hard to picture?
Then, imagine that you are all of humanity,
and on a plate in front of you
is the one lovely annual meal you make for yourself.
You did all sorts of work putting that meal on your table.
You must be eager to consume the fruits of your labor.
And the vegetables.and meats and waffles of your labor, too, right?
Well, oddly enough, a third of that meal ends up in the trash.
A third of the food we eat globally,
an estimated 1.3 billion tons ends up as waste.
All the work we put into producing that food is wasted.
And what's worse, it costs us.
America alone spends an estimated165 billion dollars a year
We're wasting food, energy and and money.
we're wasting the chance to change,
to make the system of food consumption more efficient.
If you want to bring on that change,
you should know about a humble yet diligent and ever-so-crucial ally:
: the worm.
Worms convert organic waste
and other compostable products into natural fertilizers.
Up to 75% of what we put in the waste stream
can become food and bedding material
for vermicomposting.
You can create a worm bin in your own home
to see the composting process in action.
First off, you need worms
and not your typical earthworms.
You need redworms,
eisenia foetida,
the species responsible for most
vermicomposting in North America.
These red wigglers are surface dwellers
who don't burrow too deep,
they're optimal feeders around room temperature,
and they're well-suited to converting organic waste
into usable fertilizer
Now, your worms might be vermin,
but they need a comfortable space to live and work:
some bedding materials,
either shredded paper or cardboard,
some moisture,
and, of course, food,
namely, your leftovers,
slightly decomposed table scraps.
The worms break down food waste
and other organic matter into castings,
a fancy synonym for worm poop.
Their excrement is absolutely teeming with microbes,
which continue the decomposition process,
making all those once-wasted nutrients
available again as fertilizer.
The timeline for the whole process varies
depending on the quantity of worms,
the temperature,
and how much waste is added to the bin.
And there's another timeline to consider.
In a healthy worm-bin habitat,
worm reproduction will occur
when the wigglers become sexually mature,
indicated by an elongation of the segments into a bulbous structure.
Three-month old wigglers can produce
two to three semi-translucent yellow worm cocoons a week.
You thought only moths and butterflies
come out of cocoons?
Well, we can't all be majestic.
It takes around 11 weeks for new babies to hatch.
When your bin seems to be full of living vermicelli noodles,
it's time to share the bounty with your friends
and start a vermicompost club.
Or keep those worms to yourself
and start a business.
Vermicomposting isn't confined
only to small worm bins,
it's an emerging entrepreneurial enterprise.
Large-scale facilities convert
bulk organic waste and even manure
into rich, black castings called black gold.
Its value as a soil additive is unparalleled,
and it can help plants resist harmful pathogens.
The lack of available land in urban environments,
coupled with growing interest in smaller-scale farming
means there is a market for vermicomposting.
Many communities use composting as part of zero-waste strategies,
and they can sell their worm-eaten table scraps to local farms, hungry for rich fertilizer.
So, instead of wasting money,
dumping wasted food in landfills,
we can remake waste into an asset,
putting it back into our food system to make it more sustainable,
all with the help of the humble worm,
the tiny organism that can help us
change the way we look at food's place in our lives
and our place in the world,
as long as we give the little guy
a place at our table.
Well, not an actual seat at the table.
A bin in the shed is fine.
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【TED-Ed】蟲蟲如何幫地球減少垃圾?! (Vermicomposting: How worms can reduce our waste - Matthew Ross)

34448 分類 收藏
Halu Hsieh 發佈於 2018 年 3 月 27 日

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展開內容
我們常在無形之中浪費很多食物或食材而不自覺,但這些日常的浪費卻已經造成地球的負擔。到底我們該如何用永續的方式來處理這些廚餘呢?一起來看看影片中所提供的辦法吧!

1estimate0:43
estimate 在影片中當動詞,有「估計、評斷」的意思。也可以當名詞使用,一樣是「估計、評斷」的意思,而生活中常用的「粗略/保守估計」即是 a rough/conservative estimate 。
The police estimated the number of victims of the accident at about a hundred.
警方估計此次意外的受害人數約有一百人。

He made a conservative estimate on the cost of his start-up company.
他保守估計他新創公司的成本。


*同場加映:
【TED-Ed】用聰明的方法計算大數字 A clever way to estimate enormous numbers - Michael Mitchell


2diligent1:14
diligent 為形容詞,有「勤勉的、勤奮的」的意思。要說對某事很勤奮,通常使用 diligent in/about something。
He is diligent in his work.
他工作十分勤奮。


*同場加映:
The Spiritual Impact of 'Linsanity' - CBN.com


3compostable1:20
在影片中 compostable 當做形容詞,意思是「可製成堆肥的」,而 compostable 是由 compost 變化而來,compost 可以當作形容詞或名詞來使用,有「堆肥」的意思。
It's sustainable to turn your kitchen waste into compostable and natural fertilizers.
把廚餘變成可以堆肥的天然肥料是有永續性的。


*同場加映:
零垃圾——DIY有機牙膏 (Trash is for Tossers: Zero Waste Toothpaste)


4fertilizer1:22
fertilizer 有「肥料」的意思,常使用的為 organic/chemical fertilizer 「有機/化學肥料」。
Many organic farms avoid using chemical fertilizers on the crops.
有很多有機農場都避免使用化學肥料來施肥。


*同場加映:
冷知識:動物便便的奇特功能 (The Weird Unusual Benefits Of Animal Poop)


5vermicelli3:02
vermicelli 其實是義大利文,指「細義大利麵」。在義大利,不同形狀、粗細的義大利麵都各有其名字,vermicelli 在義大利是和 spaghetti 相似粗細程度的義大利麵條,在美國 vermicelli 卻是指比 spaghetti 還細的天使髮絲麵條。在亞洲,vermicelli 用來指各種細的麵條,比如麵線。
Oyster vermicelli is one of the best know street foods in Taiwan.
蚵仔麵線是台灣數一數二知名的小吃。


*同場加映:
教你怎麼吃麻辣火鍋 (How to Eat Sichuan Hot Pot | Food Skills)


大家會不會常常肚子很餓時到餐廳,然後就像三天沒吃東西一樣點一大堆菜,結果根本吃不完?希望大家看完影片之後可以少點一些菜,不要浪費太多,因為最根本的方式就是減少食物的浪費。

文/ HsiangLanLee

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