PittsburghV1, Main, Exploration, bibRecord, 004D75

Tracking the Global Generation and Exports of e-Waste. Do Existing Estimates Add up?

Identifieur interne : 004D75 ( Main/Exploration ); précédent : 004D74; suivant : 004D76

Tracking the Global Generation and Exports of e-Waste. Do Existing Estimates Add up?

Auteurs : Knut Breivik [Norvège] ; James M. Armitage [Canada] ; Frank Wania [Canada] ; Kevin C. Jones [Royaume-Uni]

Source :

Environmental science & technology [ 0013-936X ] ; 2014.

RBID : Pascal:15-0036720

Descripteurs français

Pascal (Inist)
- Gestion déchet, Commerce international, Elimination déchet, Traitement déchet, Quantification, OCDE, Pays industrialisé, Pays en développement, Déchet électronique.
Wicri :
- topic : Commerce international, Pays industrialisé, Pays en développement, Déchet électronique.

English descriptors

KwdEn :
- Developing countries, E-waste, Industrialized country, International trade, OECD, Quantization, Waste disposal, Waste management, Waste treatment.

Abstract

The transport of discarded electronic and electrical appliances (e-waste) to developing regions has received considerable attention, but it is difficult to assess the significance of this issue without a quantitative understanding of the amounts involved. The main objective of this study is to track the global transport of e-wastes by compiling and constraining existing estimates of the amount of e-waste generated domestically in each country exported from countries belonging to the Organization for Economic Cooperation and Development (OECD) M_EXP, and imported in countries outside of the OECD M_IMP. Reference year is 2005 and all estimates are given with an uncertainty range. Estimates of M_GEN obtained by apportioning a global total of ˜35,000 kt (range 20,000-50,000 kt) based on a nation's gross domestic product agree well with independent estimates of M_GEN for individual countries. Import estimates M_IMP to the countries believed to be the major recipients of e-waste exports from the OECD globally (China, India, and five West African countries) suggests that ∼5,000 kt (3,600 kt-7,300 kt) may have been imported annually to these non-OECD countries alone, which represents ˜23% (17%-34%) of the amounts of e-waste generated domestically within the OECD. M_EXP for each OECD country is then estimated by applying this fraction of 23% to its M_GEN. By allocating each country's M_GEN, M_IMP, M_EXP and M_NET, = M_GEN + M_IMP - M_EXP, we can map the global generation and flows of e-waste from OECD to non-OECD countries. While significant uncertainties remain, we note that estimated import into seven non-OECD countries alone are often at the higher end of estimates of exports from OECD countries.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">The transport of discarded electronic and electrical appliances (e-waste) to developing regions has received considerable attention, but it is difficult to assess the significance of this issue without a quantitative understanding of the amounts involved. The main objective of this study is to track the global transport of e-wastes by compiling and constraining existing estimates of the amount of e-waste generated domestically in each country exported from countries belonging to the Organization for Economic Cooperation and Development (OECD) M<sub>EXP</sub>
, and imported in countries outside of the OECD M<sub>IMP</sub>
. Reference year is 2005 and all estimates are given with an uncertainty range. Estimates of M<sub>GEN</sub>
 obtained by apportioning a global total of ˜35,000 kt (range 20,000-50,000 kt) based on a nation's gross domestic product agree well with independent estimates of M<sub>GEN</sub>
 for individual countries. Import estimates M<sub>IMP</sub>
 to the countries believed to be the major recipients of e-waste exports from the OECD globally (China, India, and five West African countries) suggests that ∼5,000 kt (3,600 kt-7,300 kt) may have been imported annually to these non-OECD countries alone, which represents ˜23% (17%-34%) of the amounts of e-waste generated domestically within the OECD. M<sub>EXP</sub>
 for each OECD country is then estimated by applying this fraction of 23% to its M<sub>GEN</sub>
. By allocating each country's M<sub>GEN</sub>
, M<sub>IMP</sub>
, M<sub>EXP</sub>
 and M<sub>NET</sub>
, = M<sub>GEN</sub>
 + M<sub>IMP</sub>
 - M<sub>EXP</sub>
, we can map the global generation and flows of e-waste from OECD to non-OECD countries. While significant uncertainties remain, we note that estimated import into seven non-OECD countries alone are often at the higher end of estimates of exports from OECD countries.</div>
</front>
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Tracking the Global Generation and Exports of e-Waste. Do Existing Estimates Add up?

Tracking the Global Generation and Exports of e-Waste. Do Existing Estimates Add up?

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri