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Updated: May 15, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
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Published on: February 25, 2013

Trash track--active location sensing for evaluating e-waste transportation.

Dietmar Offenhuber1, Malima I Wolf, Carlo Ratti

  • 1Senseable City Lab, Massachusetts Institute of Technology, Cambridge, USA. dietmar@mit.edu

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|January 12, 2013
PubMed
Summary
This summary is machine-generated.

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Tracking electronic waste with sensors reveals its environmental impact. This study analyzed trash trajectories to assess travel distances and disposal methods, creating detailed profiles for individual waste items.

Area of Science:

  • Environmental Science
  • Waste Management
  • Data Science

Background:

  • Waste and recycling systems are complex and poorly understood.
  • Lack of empirical data hinders assessment of environmental impacts, especially for e-waste.
  • The global movement of electronic waste presents significant challenges.

Purpose of the Study:

  • To address the scarcity of data in waste management by tracking individual objects.
  • To analyze the trajectories and environmental impact of electronic waste.
  • To create environmental impact profiles for specific waste items.

Main Methods:

  • Utilized active location sensors placed on end-of-life electronic products.
  • Collected location data from donated items in Seattle, Washington.

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  • Analyzed traces from 146 electronic waste items and used the US EPA's Waste Reduction Model (WARM).

    • Main Results:

    • Tracked the journeys of individual electronic waste items.
    • Estimated environmental impacts, including travel distances and end-of-life treatments.
    • Developed environmental impact profiles for specific pieces of trash.

    Conclusions:

    • The Trash Track project provides a methodology for data collection on waste trajectories.
    • Empirical data on e-waste movement can significantly improve environmental impact assessments.
    • Individualized waste tracking offers insights into the complexities of waste management.