CREA Mont-Blanc is a French scientific nonprofit whose mission is to study the effects of climate change on biodiversity and to share knowledge that will allow both decision-makers and the general public to take informed action. The Mont-Blanc range is internationally renowned and serves as a powerful symbol for understanding climate change and its effects. Specialists in alpine ecology, data science and citizen science, CREA Mont-Blanc brings together an extensive network of French, Swiss and Italian researchers and works closely with decision-makers across the trans-border region. With an emphasis on participation, CREA Mont-Blanc encourages everyone to get involved in its biodiversity and climate change monitoring programs. Thanks to its technological partnerships, CREA Mont-Blanc is a leader in innovation in the collection, preservation and diffusion of climate, species distribution and landscape evolution data. CREA Mont-Blanc and its dedicated team were awarded the 2017 United Nations Momentum for Change award at the COP 23 climate talks.