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The hydrosphere (water, ice and vapor) is the focus of this GLOBE eTraining module. Protocols for investigating many characteristics of water such as temperature, transparency, electrical conductivity, pH, dissolved oxygen, salinity, nitrates and... (View More)

The pedosphere (soil) is the focus of this GLOBE eTraining program module. Protocols for investigating soil temperature, moisture, characterization, density and infiltration are explained. In addition, each module includes interactive digital field... (View More)

This problem-based learning module places learners in the role of researchers analyzing carbon monoxide's environmental impact. Both vehicle emissions and biomass burning are cited as events producing carbon monoxide that impact the environment.... (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)

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)

In this problem-based learning activity, learners investigate impact of sulfur dioxide on the environment. Sulfur dioxide comes from both human activities and natural sources. Burning coal and other fossil fuels is the largest source of sulfur... (View More)

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