Residents of Beijing woke up to a hazy yellow sky on Monday. The worst sandstorm in a decade swept across the capital city and other parts of Northern China. Why now? What deeper environmental issues need addressing? And what is being done to tackle frequent extreme weather and climate events? To discuss these questions and more, we’ve invited Ma Jun, director of the Institute of Public & Environmental Affairs; Dr. Rebecca Nadin, director of the Global Risks and Resilience Programme of the Overseas Development Institute; and Wu Changhua, executive director of Professional Association for China’s Environment.