Complex sentence: On December 30, Yang had public welfare "微笑再造未来" environmental conference, in order to promote environmental protection, this conference strongly urged consumers to waste recycling of oral products, processing, recycling, conversion for the value of daily necessities and materials.
Split into simpler sentences: On December 30, Yang had public welfare "A Smile to Construct the Future (微笑再造未来)" environmental conference, in order to promote environmental protection. This conference strongly urged consumers to waste recycling of oral products, processing, recycling, conversion for the value of daily necessities and materials.