Tony Cavaliere, the superintendent of utilities for Jaffrey, speaks about the steps the town is taking to fight PFAS contamination. STAFF PHOTO BY ASHLEY SAARI—

Rindge Conservation Commission member Deni Dickler, left, greets visitors at the Conservation Commission booth. STAFF PHOTO BY ASHLEY SAARI—

Deer skulls and other animal bones, fur and images of footprints were part of a “What’s in Your Backyard?” booth. STAFF PHOTO BY ASHLEY SAARI—

Vendors gather for a celebration of Earth Day at Cathedral of the Pines on Saturday. STAFF PHOTO BY ASHLEY SAARI—

Rachel Dunham, a volunteer with the Xerxes Society, shows a visitor what native bees look like. STAFF PHOTO BY ASHLEY SAARI—

Amber Dewey, a member of the Monadnock Beekeepers Association, shows off an artificial hive. STAFF PHOTO BY ASHLEY SAARI—

An array of native bees. STAFF PHOTO BY ASHLEY SAARI—

An array of native bees. STAFF PHOTO BY ASHLEY SAARI—

Ellie McOnie and Sophia Hyres, members of the Franklin Pierce University Climate Action Initiative show off mini-solar cars the group built with Bennington Girl Scouts, as part of their mission to educate youth. STAFF PHOTO BY ASHLEY SAARI—

Amber Dewey, a member of the Monadnock Beekeepers Association, shows off an artificial hive. STAFF PHOTO BY ASHLEY SAARI—