Born in 1907--learn how environmentalist Rachel Carson and artist Frida Kahlo used their voices to break gender barriers in their fields and stand against the negative effects of industrialization and urbanization. Aligned with curriculum standards, this book also highlights key 21st Century content: Global Awareness, Civic Literacy, and Health Literacy. Thought-provoking content and a hands-on activity encourage critical thinking and civic engagement. Book includes table of contents, glossary of key words, index, author biography, sidebars, and timeline.