Diego Arguedas Ortiz is a climate journalist and trainer.

From 2022 to 2025, he served as the Associate Director at the Oxford Climate Journalism Network at the Reuters Institute for the Study of Journalism, Oxford University. He supported over 800 editors and journalists from over 120 countries to improve the quality and impact of their climate journalism. 

He has worked extensively training journalists globally and with a focus on Latin America, including work with the Central American Journalists Network, the Festival GABO and the Inter American Development Bank. 

He led the University of Costa Rica’s Communication School’s journalism bachelor’s degree from 2018 to 2019, and taught there from 2016 until 2021. 

As a reporter, he has covered climate change since 2013 and his work has appeared in BBC Future, MIT Technology Review and The Observer, among other outlets. His work includes six UN Climate Conferences, the Panama Papers international collaboration in 2016 and on-the-ground reporting from a dozen countries. In 2015, he was the founder of Ojo al Clima, Central America’s first climate outlet. 

Toby McIntosh is a senior advisor for the Global Investigative Journalism Network’s Resource Center. 

He has written guides for reporters about climate change, including on carbon credits, methane, heat, sea level rise and government accountability. 

From 1975 to 2014, he was a reporter and editor in Washington with BNA (later bought by Bloomberg), covering Congress, regulatory agencies and the White House. 

He was the editor of Freedominfo.org (2010-2017), a nonprofit website on international transparency laws. His own blog, Eye on Global Transparency, focuses on transparency at international organizations.