Students will investigate climate change, the impact of human activity in global warming, the greenhouse effect and other enviromental issues. They will make on line surveys to to get everybody's opinions and analyse results. Then, they will think different actions at school and at home to contribute to stop climate change and preserve the nature. Each international cooperative team will choose an enviromental issue to investigate and to prepare a presentation to show the results to the other teams. Finally, they all together will elaborate an audiovisual to be shared with the schools to disseminate these measures.