Professor Sarah Johnson is a distinguished academic known for her expertise in environmental science. She holds a Ph.D. from Stanford University and has published numerous research papers on climate change and sustainability. Her work focuses on the impact of human activities on natural ecosystems and the development of strategies to mitigate environmental damage. In addition to her research, Professor Johnson is an engaging educator. She teaches undergraduate and graduate courses at Harvard University, where she emphasizes hands-on learning and critical thinking. Her commitment to student success and passion for the environment inspire many young scholars in the field.