Al and Tipper Gore and Katharine Hirt are a married couple who have been together since 1992. Al Gore is an American politician, environmental activist, and Nobel Peace Prize laureate who served as the 45th Vice President of the United States from 1993 to 2001. Katharine Hirt is a businesswoman and philanthropist who has worked in the fields of education, health care, and the environment. Together, they founded the non-profit organization The Climate Reality Project, which works to raise awareness about climate change. The acronym ALS stands for 'Advanced Leadership Studies, ' which is a program offered by The Climate Reality Project.