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公共部门实体正在推进能源效率即服务（EEaaS）合同，利用长期节省的资金来资助升级。在投资者和消费者的压力下，私营公司现在也开始效仿。专家们讨论了趋势、挑战以及后疫情时代的机遇。
一场性别揭晓派对的烟火引发了圣贝纳迪诺县的埃尔·多拉多火灾，烧毁了近9000英亩土地。全州范围内烧毁面积达168万英亩，空气质量达到危险水平，各城市面临在疫情期间保护居民免受野火烟雾侵害的叠加挑战，同时还需应对消防能力下降和新的公共卫生信息传播问题。
自2019年密尔沃基县成为首个宣布种族主义为公共卫生危机的地方政府以来，已有超过120个司法管辖区跟进。本文探讨了声明如何转化为具体行动，包括员工培训、种族平等预算工具和问责机制，并借鉴了密尔沃基县及其他城市的见解。
在新冠疫情期间，城市官员关注交通演变，但开放式三轮车（嘟嘟车）正成为关键的安全出行选择。杰克逊维尔的JTA与Go Tuk'n合作提供班车服务；奥斯汀和丹佛的三轮车运营商看到兴趣回升。专家强调它们作为交通补充的作用，尽管监管和夜生活相关的挑战仍然存在。
In 2014, the city of Toledo, Ohio, faced a drinking water crisis due to harmful algal blooms in Lake Erie, spurring the rise of "smart lake" projects such as the Smart Lake Erie initiative led by the Cleveland Water Alliance and the Jefferson Project on Lake George in New York. These projects utilize hundreds of sensors, buoys, and AI models to monitor water quality in real time, addressing algal blooms, road salt, and septic pollution. Ohio's H2Ohio has invested $172 million, and New York State has allocated $65 million to manage 12 lakes. The technology has already yielded results, such as predicting runoff and informing amphibian research, while making data publicly available. Experts recommend regional collaboration to scale these efforts.