Ph.D. in Earth and Environmental Science normally takes 4-6 years to complete, with a focus on advanced research in fields such as climate change, geology, oceanography, and atmospheric science. The curriculum includes coursework, fieldwork, and laboratory research, culminating in a doctoral dissertation that adds new understanding to the subject. Students acquire knowledge of data analysis, modeling, and scientific writing while working closely with faculty mentors. The curriculum often includes multidisciplinary subjects, reflecting the complexity of environmental systems. Graduates are prepared to pursue careers in academia, government agencies, environmental consulting firms, or research organizations, where they can use their expertise to address urgent global environmental issues.