Paraguay’s capital still without a wastewater treatment plant, Mexico City’s warmer winters and Latin America’s smartest cities.

PARAGUAY The Paraguay river–which flows through and supplies water to four Latin American countries and is a major commercial waterway–is polluted by millions of liters of wastewater every hour, reports EFE. Paraguay’s capital alone spews 3.2 million liters of untreated residential and commercial sewage each hour, admits Osmar Sarubbi, president of Paraguay’s sanitation services company … Continue reading Paraguay’s capital still without a wastewater treatment plant, Mexico City’s warmer winters and Latin America’s smartest cities.