Dr. Lars Ratjen

Assistant Professor

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Biography

Lars Ratjen is an Associate Research Scientist at Yale School of the Environment. His research primarily focuses on environmental science, especially in areas relating to climate change and its various impacts on ecosystem dynamics. With a strong background in quantitative analysis, Ratjen employs statistical methodologies to explore environmental data, aiming to gain insights that can inform sustainable policies. His work integrates field studies and laboratory experiments to understand better the complex interactions within ecosystems. Ratjen has contributed to multiple projects that assess the implications of anthropogenic factors on environmental health. He has a keen interest in interdisciplinary approaches and actively collaborates with other scientists to broaden the impact of his findings.

Research Interests

Requirements for Yale University

Doctorate Program
Requirements
GPA Requirement
Required:3.5
GRE General
TOEFL
Listening
Required:25
Speaking
Required:26
Total
Required:100
IELTS
Speaking
Required:7.5
Overall
Required:7
Prerequisites
Bachelor's degree in Engineering, Physics, Chemistry, Computer Science, or Mathematics
Application Checklist
  • Statement of academic purpose
  • Unofficial transcripts
  • Three letters of recommendation
  • Application fee ($105)
  • Resume/CV
Specialization Notes

Administered via the Graduate School of Arts and Sciences (GSAS). GRE General is optional for PhD.