The methodological material was prepared according to the Erasmus+ project “For the Love of Nature: Explore and Discover Europe through Nature” carried out by three countries: Lithuania, Estonia and Italy. It contains descriptions of research, descriptions of lessons and activities implemented by teams of schools participating in the project. This methodological material is useful for teachers who want to raise awareness and understanding of natural processes and promoting natural sciences. Also, Empowering Students to Search for the Solutions to Improve the Quality of Nature by Learning Together Through Active and Effective Methods. The students will reach this goal by making observations and researches on different kinds of pollution of the places they live in, analyze and discuss the results, and brainstorm the ways to improve the situation. The purpose of this publication is to support all project participants to acquire and develop new skills/competencies.