Complex sentence: The Radcliffe Foundation also has been worked with the Vancouver Foundation and the City of Vancouver on Streetohome, a community-based initiative established in 2008 which brings together non-profits, civil society groups, business, governments and citizens to address homelessness in Vancouver.
Split into simpler sentences: The Radcliffe Foundation also has been worked with the Vancouver Foundation and the City of Vancouver on a program called Streetohome. Established in 2008, Streetohome is a community-based initiative which brings together non-profits, civil society groups, business, governments and citizens to address homelessness in Vancouver.