The global environmental crisis, starting from global warming, climate change, depletion of the ozone layer, acid rain, exploitation of natural resources, illegal logging, desertification, floods, droughts, landslides, to the extinction of biodiversity is a global problem today. Humans and the environment are two elements that are interrelated and inseparable. Humans are considered as the main actors in environmental damage who are assumed to have greed, dissatisfaction, and irresponsibility so as to make the natural environment an object of value, economics and a pragmatic necessity of life. It is in this context that the significance of MUI fatwa relating to environmental preservation and efforts to reconstruct the fiqh al-bi'ah paradigm based on naturalist intelligence is caused by three factors. First, the objective condition of the environmental crisis is getting worse. Second, Muslims need a comprehensive framework for understanding fiqh al-bi'ah. Third, formulating the paradigm of fiqh al-bi'ah as an ontological, epistemological and operational axiological framework in a modern environmental perspective as a scientific discipline in the realm of Islamic studies

Key Words: environmental crisis, MUI  fatwa, paradigm of fiqh al-bi'ah, naturalist intelligence.