Explore and connect to the GLOBE Water Cycle protocol bundle. 

Explore and connect to the GLOBE ENSO (El Niño Southern Oscillation) protocol bundle. 

Explore and connect to the GLOBE Weather protocol bundle. 

Selected GLOBE protocols and learning activities which support some aspect of the investigation of scale, proportion and quantity are outlined.

Explore and connect to the GLOBE Air Quality protocol bundle. 

This resource helps to identify and access GLOBE protocols and hands-on learning activities that complement the Sea and Land Ice Melt phenomenon.

GLOBE protocols and learning activities that complement the Changes in Snow and Ice Extent phenomenon through hands-on investigations are detailed.

Find GLOBE protocols and learning activities that complement exploration of solar eclipses.

Helping students build their understanding of Earth's spheres and how they are connected is difficult.  Review the graphics to help identify the parts of the Earth System and the processes that connect them at the local, regional, and global scales.

Phytoplankton background information.