One of the Islamic teachings is to preserve nature, maintain the viability of the animals is not to doubt anymore, because there is argumentation (Hujjah) that was explained above to compassionate our fellow being.
Protecting animal means we are protecting environment. Environment protection is an important aspect of Islam. Being caliph of the Earth, it is the responsibility of Muslims to take care for the environment in a proactive manner. There is always definite purpose behind the creation of different species, be it plants or animals. Muslims are encouraged to reflect on the relationship between living organisms and their environment and to maintain the ecological balance created by Allah. Protection of the environment is essential to Islamic beliefs and mankind has the responsibility to ensure safe custody of the environment.
In one Hadîts, Prophet Muhammad order Muslim people killing certain animal, but in another narration he suggested people to do kindness toward animal. In order to understand well about the case, researcher use thematic method to solve the problem, because with thematic method, the answer will become comprehensive.
The questions to be answered in this research are: (1) How is the quality of Hadîts that command on killing animals? (2) How is the position of the Killing Animals in Hadîts and ita relations with Ethic of Environment? To answer those two questions, this study fully utilizes the literature (Research library) using thematic methods, by collecting the Hadîts relating to the environment and classifying them.