Businesses have maximized profits while eroding workers ' job security and labor rights , said the trade union , which aims to highlight such issues . Hundreds groups have joined to oppose G-20 efforts . The Group of Eight plans a summit in graffiti in 1997 . Collectively , the G-20 accounts for about 85 percent of global economic output .
Hundreds groups have joined to oppose G-20 efforts . The Group of Eight plans a summit in graffiti in 1997 . Collectively , the G-20 accounts for about 85 percent of global economic output .