Objective: to develop an environmental costing model by applying a case study to the Lasallian University of the municipality of Caldas (Colombia), which will serve as a support and motivation for private and public organizations, in order to measure the cost and benefits. Method: As the world evolves, the importance of taking into account the environment has been recognized, and the desire to pay attention and reduce environmental damage, pollution, has increased dramatically, therefore, it will be analyzed by means of a case study the environmental costing and its impact on the Lasallian University. Results and Conclusions: The result obtained is beneficial for the environment and the company, according to this model, investing in the environment yields a great percentage of financial savings and a great protection to the planet earth, guaranteeing the social responsibility that one has in front of the subject. Repercussions of the research: Some large organizations, other medium and small companies, do not take into account the associated environmental impacts, lack of will. Mostly they prefer to pay penalties and environmental taxes, rather than make a small investment to protect the planet, the implementation of environmental costs can positively affect financial issues. Originality/value: This paper provides an overview of the challenges and enablers of environmental costs in organizations.