https://theconversation.com/solo-el-11-5-de-la-economia-de-la-union-europea-es-circular-como-aumentar-el-porcentaje-223372
https://focusweb.org/wp-content/uploads/2002/11/GlobalFoodCrisis2022_Dossier.pdf
https://igarape.org.br/wp-content/uploads/2022/11/La-Amazonia-saqueada_las-raices-de-los-delitos-ambientales.pdf