Complex sentence: The ECO (Ecology) flag is a symbol for cultural and environmental change originated in the late 1990's when environmental activists (Eco Warriors) campaigned against a gold mine at Timbarra Plateau, near Nimbin Australia.
Split into simpler sentences: The ECO (Ecology) flag is a symbol for cultural and environmental change. The Eco flag originated in the late 1990's when environmental activists (Eco Warriors) campaigned against a gold mine at Timbarra Plateau, near Nimbin Australia.