Headline: Feliz dia, planeta Tierra!Link: https://elcomercio.pe/opinion/mirada-de-fondo/feliz-dia-planeta-tierra-por-ian-v…Publication Date: Tuesday, April 21, 2020Primary Source: El Comercio (Peru)Type: op-edFormat: Newspaper (Print)Nature of Mention: authoredScholar: Vasquez, IanResearch Area: International Economics and DevelopmentSubjects: human progress and development