Jacobo Arango, Lead Author of the Sixth IPCC Assessment Report

Jacobo Arango, environmental biologist from the Tropical Forages Program at CIAT, is one of the lead authors from the Intergovernmental Panel on Climate Change (IPCC). He is currently contributing to draft the Sixth Assessment Report (AR6), more specifically, on mitigation pathways compatible with long-term goals. 

By  | Jun 5, 2019


Photo: José Luis Urrea / CIAT

The Intergovernmental Panel on Climate Change (IPCC) was established in 1988 to provide comprehensive assessments on the current state of scientific, technical, and socio-economic knowledge on climate change, its causes, possible impacts, and response strategies. 

One of IPCC main principles is that the assessments are objective. All IPCC reports seek to reflect the agreement of an internationally shared scientific consensus and be free from biases. Therefore, when the team of authors is selected, care and attention are paid to ensuring it is integrated by a diverse range of experts representing different geographical regions and a variety of relevant specialized disciplines, as well as to making sure the team of authors is balanced in terms of gender.

IPCC scientists volunteer to assess scientific papers published each year to provide a comprehensive summary on what is known about the causes of climate change, its impact and future risks, and how adaptation and mitigation can reduce those risks.


Being an IPCC author is a challenge that has a lot of implications; the report we are preparing will be a guideline for decision-makers and governments, because it is a compilation of research on a specific topic related to mitigation. Thus, it must be written in a clear language for countries to be able to use this information and make better science-based decisions.

Jacobo Arango

Environmental Biologist from the Tropical Forages Program at CIAT

The chapter will place a strong emphasis on the projection of greenhouse gas (GHG) emission mitigation scenarios for year 2100. Arango’s team is integrated by 15 researchers from different countries, who will be in charge of undertaking a macro-sectoral model and analysis to identify issues on sectors that should reduce their emissions in the long term.

An open and transparent review by the experts and governments from around the world will be essential in this process to ensure an objective and comprehensive assessment, and to reflect a diverse range of perspectives and expertise. Through the assessment of researchers, IPCC will identify the strength of scientific consistency in different areas and will determine where future research is needed the most.

Click here to access more information on IPCC’s sixth assessment cycle. A complete list of authors and editors of the Sixth Assessment Report is available here.

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