Nalco sponsors summit

NAPERVILLE - Nalco, providing essential expertise for water, energy and air, announced it is co-sponsoring the fourth Business for Environment Global Summit, which is being held April 21-23 in Seoul, South Korea, in conjunction with Earth Day. Nalco is a Supporting Partner for the summit, which will bring together 1,000 people from business, government, international agencies and nongovernmental organizations to discuss environmental challenges and help identify solutions.