Complex sentence: The IVU also encourages regional and national organizations to run vegetarian festivals, such as the 43rd WorldVegFest in Sydney and Melbourne, Australia, on 25 October 2015.
Split into simpler sentences: The IVU also encourages regional and national organizations to run vegetarian festival. The upcoming next World Vegfest (see external links) will be the 43rd WorldVegFest in Sydney and Melbourne, Australia on the 25th of October 2015.