Explore and connect to the GLOBE Rivers and Lakes protocol bundle. 

Explore and connect to the GLOBE Water Cycle protocol bundle. 

Explore and connect to the GLOBE Water Quality protocol bundle. 

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

Explore and connect to the GLOBE Weather protocol bundle. 

GLOBE protocols and learning activities that complement the El Niño Southern Oscillation phenomenon through hands-on investigations are detailed.