gleam: Global Livestock Environmental Assessment Model (GLEAM-X)
The official implementation of the Global Livestock Environmental Assessment Model (GLEAM) of the Food and Agriculture Organization of the United Nations (FAO) in R. GLEAM-X provides a modular, transparent framework for simulating livestock production systems and quantifying their environmental impacts. Methodological background: MacLeod et al. (2017) "Invited review: A position on the Global Livestock Environmental Assessment Model (GLEAM)" <doi:10.1017/S1751731117001847>. Further information: <https://www.fao.org/gleam/en/>.
| Version: | 0.8.0 |
| Depends: | R (≥ 4.4.0) |
| Imports: | cli (≥ 3.0.0), data.table (≥ 1.16.0) |
| Suggests: | knitr, rmarkdown, testthat (≥ 3.2.0) |
| Published: | 2026-04-16 |
| DOI: | 10.32614/CRAN.package.gleam (may not be active yet) |
| Author: | Ahmed Jou  [aut,
cre] (https://applitics.fr),
Yassine Elaouni [aut] (https://applitics.fr),
Dominik Wisser
[aut] (GLEAM team lead, FAO),
Lydia Lanzoni
[aut] (Livestock and climate change specialist, FAO),
Giuseppe Tempio
[aut] (Livestock environmental impact analyst, FAO),
Phyllis Ndungu' [ctb] (Livestock and climate change specialist, FAO),
Yushan Li [ctb] (Livestock and sustainability specialist, FAO),
Manling Xu [ctb] (Livestock data intern, FAO),
Zixin Wang [ctb] (Livestock data intern, FAO),
Narindra Rakotovao [ctb] (Livestock policy officer, FAO),
Stewart Chikoloma [ctb] (Livestock data specialist, FAO),
David OBrien
[ctb] (https://applitics.fr),
Food and Agriculture Organization of the United Nations FAO [cph]
(Original GLEAM model framework),
Federal Ministry of Agriculture, Food and Regional Identity of Germany
BMELH [fnd] (Funding support) |
| Maintainer: | Ahmed Jou <ahmed at applitics.fr> |
| BugReports: | https://github.com/un-fao/GLEAM/issues |
| License: | AGPL-3 |
| URL: | https://github.com/un-fao/GLEAM/, https://www.fao.org/gleam/en/ |
| NeedsCompilation: | no |
| Materials: | README, NEWS |
| CRAN checks: | gleam results |
Documentation:
| Reference manual: | gleam.html , gleam.pdf |
| Vignettes: |
The GLEAM Ecosystem (source, R code) The History of GLEAM (source, R code) GLEAM R Package Modules (source, R code) GLEAM R Package Overview (source, R code) |
Downloads:
| Package source: | gleam_0.8.0.tar.gz |
| Windows binaries: | r-devel: gleam_0.8.0.zip, r-release: not available, r-oldrel: not available |
| macOS binaries: | r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): gleam_0.8.0.tgz |
Linking:
Please use the canonical form https://CRAN.R-project.org/package=gleam to link to this page.