Dr. Malafaia (Guilherme) He is a Professor in the Department of Biological Sciences at Federal Institute of Education, Science and Technology Goiano (Goiás State, Brazil). He received a bachelor’s degree from Federal University of Ouro Preto, a MS from Federal University of Goiás, PhD and Postdoc from Federal University of Goiás, all related to Environmental and Biological Sciences. He is directing the Biological Research Laboratory with a focus on the ecotoxicological assessment of emerging pollutants, including micro- and nanoplastics, nanomaterials, nanofibers, pesticides, drug residues, etc. The ongoing research projects in his lab use different animal species as model systems (eg: mice, zebrafish, guppy, Amazon-turtle, tadpole, Japanese quails, mosquito larvae, earthworms, and dragonfly larvae, in addition to aquatic and native plants from Brazilian Cerrado). He has published over 240 journal papers and several books. In addition, he has served as a reviewer for more than 170 international journals. He is an advisor for scientific initiation (undergraduate students), master's and doctorate, in addition to post-doctoral internship.