The present report shows the results obtained in the implementation of the environmental project "Guardians of Nature", which aimed to sensitize students about the care of the environment from the construction of a school garden appropriate for space The institution's physical and composting as a source of natural fertilizer for the support of this based on the approaches given by urban agriculture, was made use of recyclable materials such as plastic bottles for the planting of plants such as celery, auyama, parsley Smooth, beetroot, among others. In turn, training the entire educational community through workshops that used instruments (videos, friezes, brochures and exhibitions) for the conceptualization of environmental issues such as the ozone layer, global warming and Care of natural resources. This generated changes in cognitive and procedural skills of the students since they generated critical reflections and from there they raised solutions to problems that they found in their immediate environment that concluded in the construction and successful maintenance of a school garden