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Sustainability Perspectives on Radiotherapy Practice.

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This study quantifies radiotherapy's greenhouse gas emissions, finding indirect emissions dominate. Advancing sustainability in radiotherapy is crucial for healthcare's net-zero transition and climate commitments.

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Area of Science:

  • Environmental Science
  • Healthcare Sustainability
  • Climate Change Mitigation

Background:

  • Rising global temperatures necessitate a net-zero energy system.
  • Modern radiotherapy contributes to healthcare's carbon footprint.
  • Expanding cancer treatment must align with sustainability goals.

Purpose of the Study:

  • To explore strategies for understanding and managing radiotherapy's emissions.
  • To align radiotherapy practices with sustainability objectives.
  • To inform reporting under the Corporate Sustainability Reporting Directive.

Main Methods:

  • Narrative examination of existing literature and practical solutions.
  • Engaged scholarship approach.
  • Modelling radiotherapy emissions using the Corporate Sustainability Reporting Directive principles.

Main Results:

  • Radiotherapy emissions constitute a small but significant portion of healthcare emissions (0.3%).
  • Indirect emissions are the primary contributors to radiotherapy's carbon footprint.
  • Upstream emission reductions are noted, but downstream reductions remain limited.

Conclusions:

  • This work advances sustainability within radiotherapy.
  • It supports the broader healthcare sector's climate change mitigation efforts.
  • Findings align with international climate commitments.