Abstract
Education needs to emphasize more attention to environmental issues. The school is an active place to provide actual knowledge, skills, attitudes, and behavior towards environmental issues such as global warming dan the greenhouse effect. This study aimed to investigate seventh-grade students' cognition in the context of a climate system. This study was descriptive, involving the collection of qualitative data. These qualitative data were then analyzed for their content inductively to identify concepts and patterns of student responses. This study indicated that students believed that global warming caused by six factors involving the greenhouse effect, depletion of the ozone layer, fossil fuel usage, forest fires, use of chemicals, and industrial air pollution. Also, they convinced six segments of the global warming impacts: ocean, soil, air, plants and animals, humans, and weather and season changes. The student thought about the climate system was substantially linear, where the contribution of human activities caused global warming that finally have an impact on humans themselves.
Highlights
Environmental problems and climate change are not new issues
Students defined global warming as an increase in the average temperature on earth (N = 120, 88.89%). They believed that global warming caused by a broad various environmental harmful behavior such as the greenhouse effect, depletion of the ozone layer, fossil fuel usage, forest fires, use of chemicals, and industrial air pollution (Table 1)
The results of the analysis showed that students indicated the causes of global warming were six factors: burning of fossil fuels, greenhouse effect, ozone layer depletion, deforestation and forest fire, chemicals, industries/factories
Summary
Environmental problems and climate change are not new issues. Climate change is an essential environmental issue facing society as such is a critical environmental education (Stevenson, 2007). Managing climate change issues need to involve all participants globally. The implementation of climate change study is carried out at both the formal and non-formal and informal levels. They have undertaken to set a global warning topic into their curricula, including Indonesia. The Indonesian government continues to strive to mobilize all elements of society in addressing climate change issues (Dewi, Hendarti, Matakupan, & Lisdiyanta, 2012)
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