sentences:  During this time he participated in many different group and solo art shows, using his artwork as a means for environmental activism.September 8, 2008 marked the opening of his first solo show, "Ectoplasm," at Mr. Musichead Gallery in Los Angeles, California.In March 2020, Boyd had planned to debut a new large-scale solo exhibit, "Impossible Knots," at the Samuel Lynne Galleries in Dallas, Texas.