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@ARTICLE{Ilha:619032,
      author       = {Ilha, Gabrielle dos Santos and Boix, Marianne and
                      Knödlseder, Jürgen and Garnier, Philippe and Montastruc,
                      Ludovic and Jean, Pierre and Pareschi, Giovanni and Steiner,
                      Alexander and Toussenel, François},
      title        = {{A}ssessment of the environmental impacts of the
                      {C}herenkov {T}elescope {A}rray mid-sized telescope},
      journal      = {Nature astronomy},
      volume       = {8},
      number       = {11},
      issn         = {2397-3366},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2024-07332, arXiv:2406.17589},
      pages        = {1468-1477},
      year         = {2024},
      note         = {32 pages, 4 main figures, 3 extended data figures},
      abstract     = {Astronomical observatories have been identified as
                      substantial contributors to the carbon footprint of
                      astrophysical research. Being part of the collaboration that
                      is currently developing the medium-sized telescopes in the
                      Cherenkov Telescope Array, a ground-based observatory for
                      very-high-energy γ-rays that will comprise 64 telescopes
                      deployed on two sites, we assessed the environmental impacts
                      of one medium-sized telescope on the northern site with a
                      life-cycle assessment. We identified resource use and
                      climate change as having the most significant impacts due to
                      telescope manufacturing and energy consumption during
                      operations. We estimate life-cycle greenhouse gas emissions
                      of 2,660 ± 274 tCO$_{2}$e for the telescope, 44\% of which
                      arise from construction, 1\% from on-site assembly and
                      commissioning and 55\% from operations over 30 yr. The
                      environmental impacts could be reduced by using renewable
                      energy during construction and operations, using fewer
                      electronic components and metal casting and using recycled
                      materials. We propose complementing the project requirements
                      with environmental budgets as an effective measure for
                      impact management and reductions.},
      cin          = {$Z_EL$},
      ddc          = {520},
      cid          = {$I:(DE-H253)Z_EL-20210408$},
      pnm          = {613 - Matter and Radiation from the Universe (POF4-613)},
      pid          = {G:(DE-HGF)POF4-613},
      experiment   = {EXP:(DE-H253)CTA-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2406.17589},
      howpublished = {arXiv:2406.17589},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2406.17589;\%\%$},
      UT           = {WOS:001271759600002},
      doi          = {10.1038/s41550-024-02326-4},
      url          = {https://bib-pubdb1.desy.de/record/619032},
}