MIDDLETOWN, Calif. – The annual community Earth Day event will take place at Calpine’s Geothermal Visitor Center on Saturday, April 21.

The free community event, which celebrates Lake County sustainability, will take place from 10 a.m. to 3 p.m.

It will feature guided bus tours to a geothermal power plant, live music, Middletown community garden tours and booths.

To participate in the bus tours, reservations are required; email This email address is being protected from spambots. You need JavaScript enabled to view it..

Beginning at 6:30 p.m., Middletown High School’s 2018 Sober Grad will host bingo at the center.

Tickets for bingo are $30 at the door or at www.mhsgradnight.org.

The bingo event, for ages 21 and older, will offer beer and wine for $5 and light hors d’oeuvres.

The Calpine Geothermal Visitor Center is located at 15500 Central Park Road, Middletown, telephone 707-987-4270.