Today

Aug. 18: AUBURN, Keith Williams, with a doctorate in environmental science, will speak at 6 p.m. at Woodbury Brackett Environmental Center, 24 Maple Hill Road. 783-7733

Aug. 18: GREENE, Mac McHale and Emery Hutchins will perform at 7 p.m. on Thursday and 2 and 7 p.m. on Friday at the Sawyer Memorial, 371 Sawyer Road. Free 936-5311

Aug. 18: LEWISTON, L/A Arts presents Esperanza, performing Afro-Cuban music, at noon at Courthouse Plaza, Lisbon Street. 782-7228

Aug. 18: LEWISTON, a picnic in the park will be held from 11:30 a.m. to 1 p.m. at Kennedy Park. Free 783-3990

Aug. 18: MONMOUTH, Theater at Monmouth will perform “La Bete,” at Cumston Hall. Showtimes are Aug. 18, 20 and 24 at 7:30 p.m. and Aug. 27 at 2 p.m. 933-9999

Tomorrow

Aug. 19: DIXFIELD, a free campfire country music Friday night jam session will be held from 6 to 9 p.m. at the Countryfolk Music Theatre, Rt. 2. Free 645-4752

Aug. 19: LEWISTON/AUBURN, the Great Falls Balloon Festival, with performers, skateboard contest, duck race, fireworks, carnival, food and more, will be held at Railroad Park in Lewiston and Festival Plaza in Auburn. 782-2637

Aug. 19: LEWISTON, the All Student Theatre Project will be hosting “Love is in the Air: An Evening of Broadway Love Songs,” to benefit the Abused Women’s Advocacy Project, at 7:30 p.m. at Bates College Olin Arts Center, off Russell Street. 795-6744

Aug. 19: LEWISTON, Community Little Theatre will perform “Fiddler on the Roof,” at Lewiston Middle School, Central Avenue. Showtimes are Friday and Saturday at 8 p.m. and Sunday at 2 p.m. $15/$13 783-0958

Aug. 19: LIVERMORE, the “Meal, Laugh and Learn” program happening will be held from 11 a.m. to 2 p.m. at Norlands Living History Center Granite Library, 290 Norlands Road. $21 897-4366

Aug. 19: LOCKE MILLS, the fifth annual yard sale will be held from 8 a.m. to 4 p.m. at the Locke Mills Union Church and the Town Hall. 674-2259

Aug. 19: LOVELL, Heather Pierson will perform at 7 p.m. at the Brick Church, 503 Christian Hill Road. $8 935-4505

Aug. 19: PHILLIPS, Old Home Days will be held in the Phillips area.

Aug. 19: SOUTH PARIS, Drew Richardson will present a vaudeville variety show at 8 p.m. at Celebration Barn, 190 Stock Farm Road. $10/$6 743-8452