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Topics/Subjects:
The nature of science  
Resource Type:
Course  
Learning Time:
1 to 4 weeks  
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Since the Industrial Revolution, atmospheric carbon dioxide concentration has risen from ~280ppm (parts per million by volume) to ~390ppm in 2010. The rate of increase for the last decade (2001-2010) has been 2.04ppm/yr, more than double the rate... (View More)

In this problem-based learning unit, learners explore the possibilities of sustainable energy, and engage in a project to provide electricity for their city using alternative energy sources. Instructions to access NASA data are provided along with... (View More)

Temperature increases associated with global climate change have led to concerns that infectious diseases common in warmer tropical and subtropical climates may become more common in warming middle altitudes. In this problem-based learning module,... (View More)

In this problem-based learning unit, students learn about the causes and impacts of urban heat islands. Numerous studies have shown how concrete pavements and buildings retain heat in cities, making cities several degrees warmer than the surrounding... (View More)

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