The international urban parks conference will be held in Philadelphia from June 1821. Throughout the year, the Pennsylvania.Convention Center participated in several local and national sustainability awareness initiatives. Philadelphia is in a humid continental climate zone. The next International Convention will be in Philadelphia USA on 20th - 23rd August 2025. The Pennsylvania Convention Center offers more than 1 million square-feet of saleable meeting spaces and one of the largest ballrooms in the Northeast. Climate change is a global emergency that goes beyond national borders. C40 Cities is a global network of nearly 100 mayors of the world's leading cities that are united in action to confront the climate crisis. Without rapid, substantial reductions in the greenhouse gases that cause global warming, these climate risks in the US are expected to increase.