The document discusses the significant issue of natural gas leaks in Boston, highlighting the environmental and health risks posed by methane emissions from aging gas infrastructure, which costs residents $90 million annually. It calls for grassroots mobilization at local, city, and state levels to increase awareness, improve leak management, and challenge the expansion of gas infrastructure in favor of renewable energy solutions. Various strategies are proposed for residents and officials to collaboratively address the problem and promote a transition away from reliance on natural gas.