TE
TechEcho
Home24h TopNewestBestAskShowJobs
GitHubTwitter
Home

TechEcho

A tech news platform built with Next.js, providing global tech news and discussions.

GitHubTwitter

Home

HomeNewestBestAskShowJobs

Resources

HackerNews APIOriginal HackerNewsNext.js

© 2025 TechEcho. All rights reserved.

Ask HN: What volume (in dollars) of materials is discarded/burned every year?

4 pointsby markovianover 5 years ago
Here :<p>https:&#x2F;&#x2F;www.telegraph.co.uk&#x2F;science&#x2F;2017&#x2F;12&#x2F;13&#x2F;discarded-phones-computers-electronics-behind-worlds-fastest&#x2F;<p>53 billion dollars in December 2017 for discarded phones&#x2F;laptops&#x2F;electronic devices only.<p>But what about EVERYTHING ELSE that&#x27;s thrown away or burned? Tires, cars, paper, furniture... How much do you think that amounts to?

4 comments

gmiller123456over 5 years ago
I didn&#x27;t see a reference to $53B in the article. Just a reference to £40 ($53B US) per year, which would directly negate the $53B just for Dec 2017. And that £40 estimate includes &quot;all recoverable materials&quot;.<p>If there is as estimate somewhere about $53B per month of e-waste. That sounds a lot like they&#x27;re basing that on the purchase price, not the value when it&#x27;s discarded. And that&#x27;s a pretty useless valuation, as it simplifies to how much money is spent per month, since everything will eventually become waste.<p>Taking the entire food industry as an example, if you consider only the purchase price, then the entire industry is 100% waste over a very short period of time. In fact, you could argue that it&#x27;s even more than 100% waste, since people will actually pay to have the waste removed.<p>Before you call something &quot;waste&quot;, to have any practical meaning at all, you need to subtract off the value it provided to the consumer. Since that&#x27;s really hard to do, I can see a journalist just using the purchase price to make a dramatic headline, rather than producing any useful information.
评论 #22331084 未加载
shooover 5 years ago
Here&#x27;s a vague attempt to estimate it:<p>Pick a country with reasonably accurate data. Start with statistics on a country&#x27;s GDP. Break down the GDP into categories of services, durable goods, non-durable goods, the finer-grain the better. [1] Decide which categories you regard as in-scope (e.g. services consumed? probably out of scope. durable goods like cars, furnishings, houses? electronic stuff? industrial machinery? probably in scope). Do you want to include stuff like food? Oil? Then, for each category in scope, estimate (1) the expected lifespan of the good before it is disposed of, and (2) the residual fraction of the good&#x27;s original value that remains at disposal time that is lost but could be captured by better recycling&#x2F;reuse&#x2F;scrap recovery, etc.<p>E.g. in 2019 the US spent 530 billion dollars on motor vehicles and parts. The average lifespan of a motor vehicle is about 12 years. So we could estimate that every year, about (1&#x2F;12)th of motor values and parts reach end of life. So we could say that (1&#x2F;12)th of the original value reaches end of life -- so about 44 billion dollars per year. Now, what fraction of the original value is still recoverable at end-of-life? Probably something in the range of 10% -- 1% . So maybe there&#x27;s residual value of 4.4 - 0.4 billion dollars of motor vehicles and parts that reach end of life every year in the US. Arguably this figure should be net of recovery costs (e.g. labour, energy, capital machinery to recover working parts or shred broken stuff). Some fraction of this will currently be recovered and reused&#x2F;recycled. The remainder will be lost.<p>To crudely translate from US GDP to the world GDP, multiply by 4.<p>So we might estimate that globally there&#x27;s about 17 -- 2 billion dollars of residual value in motor vehicles and parts reach end of life, some of which is recovered, some of which isn&#x27;t.<p>[1] data source for the US: <a href="https:&#x2F;&#x2F;www.bea.gov&#x2F;data&#x2F;gdp&#x2F;gross-domestic-product" rel="nofollow">https:&#x2F;&#x2F;www.bea.gov&#x2F;data&#x2F;gdp&#x2F;gross-domestic-product</a> See <a href="https:&#x2F;&#x2F;www.bea.gov&#x2F;system&#x2F;files&#x2F;2020-01&#x2F;gdp4q19_adv.xlsx" rel="nofollow">https:&#x2F;&#x2F;www.bea.gov&#x2F;system&#x2F;files&#x2F;2020-01&#x2F;gdp4q19_adv.xlsx</a> ; table 3 &quot;gross domestic product: level and change from preceeding period&quot;
wufufufuover 5 years ago
Are you talking about the MSRP of the original item?
评论 #22331094 未加载
markovianover 5 years ago
Anyone ?
评论 #22328723 未加载