• Since September 2025: Academic assistant, Institute for Environmental Sciences, RPTU Kaiserlautern-Landau
• January 2021 - March 2025: Doctorate in Agricultural Sciences, University of Kassel. Thesis title: Social-ecological dimensions of sand mining in West Africa.
• October 2017 – December 2020: Master of Science in Sustainable Management (Nachhaltiges Wirtschaften), University of Kassel.
• October 2012 – June 2017: Bachelor of Science in International Management, Hochschule Karlsruhe.

• Environmental and Resource Economics
• Environmental Cost-Benefit Analysis
• Umweltökonomie

2023

• Asare, K. Y., K. Dawson, and K. S. Hemmler. 2023. A sand-security nexus: Insights from peri-urban Accra, Ghana. Extractive Industries and Society 15. doi:10.1016/j.exis.2023.101322.

2024

• Asare, K. Y., K. S. Hemmler, A. Buerkert, and J. V. Mensah. 2024. Scope and governance of terrestrial sand mining around Accra, Ghana. Social Sciences & Humanities Open 9. doi:10.1016/j.ssaho.2024.100894.
• Hemmler, K. S., K. Y. Asare, E. Y. Tenkorang, and A. Buerkert. 2024. Sand mining deteriorates soil fertility and farming livelihoods around Accra, Ghana. Scientific Reports 14. doi:10.1038/s41598-024-66656-z.
• Asare, K. Y., J. V. Mensah, J. A. Boateng, E. Y. Tenkorang, and K. Hemmler. 2024. Economic and socio-ecological effects of sand mining on livelihoods in the Gomoa East District and Ga South Municipality, Ghana. Extractive Industries and Society 19. doi:10.1016/j.exis.2024.101487.
• Himmy, O., T. T. Nguyen, K. S. Hemmler, S. Loulad, H. Rhinane, and A. Buerkert. 2024. Leveraging machine learning and Landsat time series for high-resolution mapping of mining-induced vegetation changes in Ouagadougou, Burkina Faso. Environmental Challenges 17. doi:10.1016/j.envc.2024.101026.

2025

• Hemmler, K. S., B. Camara, and A. Buerkert. 2025. Social ecology of artisanal sand mining in the Niger River around Bamako, Mali. PLoS One 20. e0318029. doi:10.1371/journal.pone.0318029.
• Hemmler, K. S., W.E. G. Tarpaga, O. Himmy, and A. Buerkert. 2025. Social-ecological dynamics of aggregate mining in Ouagadougou, Burkina Faso. Scientific Reports 15: 14811. doi:10.1038/s41598-025-98929-6.
• Akanwa, A.O., K. Hemmler, E. Park, N. G. Rangel-Buitrago, B. Q. Nguyen, Z. Mei, and V. Lamb. 2025. Toward a sustainable future of sand. One Earth 8. doi: 10.1016/j.oneear.2025.101200