This report’s objective is to define and divulgate the knowledge about heat stress and health consequences in general for the Turkish population. The Environment, Climate and Health Cooperation Project (ÇİSİP in Turkish) was launched by the Health and Environment Alliance (HEAL), HASUDER (Association of Public Health Professionals-Turkey) and Kocaeli University Department of Public Health in April 2020. Funded by the European Union, CISIP’s aim is to bring together all environmental health actors in Turkey and to support health professionals in the fields of environmental and climate policies.