Complex sentence: The International Solid Waste Association (ISWA) is a non governmental, independent and non-profit association by statutes and follows the mission statement to promote and develop professional waste management worldwide as a contribution to sustainable development.
Split into simpler sentences: The International Solid Waste Association (ISWA) is a global body concerned with professional waste management. ISWA is a non governmental, independent and non-profit association by statutes and follows the mission statement to promote and develop professional waste management worldwide as a contribution to sustainable development.