He founded The Shalom Center in 1983 and serves as its director. At first the center primarily addressed the threat of nuclear war; as the times demanded, it turned its focus toward ecology and human rights, then opposition to attacks on American Muslims and to the US War in Iraq, and more recently the dangers of global warming and the climate crisis. In 1993, Waskow co-founded . Between 1993 and 2005, he performed research, wrote, and spoke on behalf of ALEPH.