Play the video above to see these stories on AZ Illustrated Nature for Wednesday, June 12:

HOLY SOLAR: Places of worship go green. Three houses of worship have invested in solar installations thanks to federal and state incentives and assistance from businesses that provided guidance to get the systems up and running.

SOLR ONE STOP: We speak to staffers at Tucson and Pima County's "Solar One Stop" facility, where people can get information about solar installations for their homes or businesses.

SOLAR PIONEER: Parishioners at Our Mother of Sorrows Catholic Church (in Tucson discuss their pioneering efforts at going green with solar energy at the east side church.

CLUES TO CLIMATE CHANGE: Scientists researching climate change are finding answers in an unexpected source - the humble hummingbird.