Joshua Sneideman is an Albert Einstein Distinguished Educator Fellow with 10 year's experience as a middle school science teacher. He founded ECO International, an intercollegiate Environmental Congress to help Costa Rican high schools develop environmental community action plans. Josh is the co-author of Renewable Energy: Discover the Fuel of the Future (Nomad Press 2016), as well as co-author of a previous edition of Climate Change (Nomad Press 2015). Joshua lives in Hixson, Tennessee.

Erin Twamley is an educator and author passionate about providing STEM learning opportunities and writing STEM publications. She is the co-author of Renewable Energy: Discover the Fuel of the Future (Nomad Press 2016), as well as co-author of a previous edition of Climate Change (Nomad Press 2015). Through her STEM publications, she aims to highlight the leadership and discoveries of women and diverse communities. Twamley leads STEM and Author Encounters with Department of Defense Education Activity, international schools, and Girl Scouts. Her encounters engage the next generation of learners in protecting and creating a sustainable planet through STEM literacy. She loves to travel, read, and has lived on three continents. Reach the author at www.erinedu.org, on Twitter @STEMSuperheros.

Alexis Cornell is a graduate of the Center for Cartoon Studies. She is the illustrator of several books from Nomad Press, including Evolution: How Life Adapts to a Changing Environment and Cells: Experience Life at its Tiniest. She lives in Northampton, Massachusetts.