In the face of escalating environmental challenges that threaten the delicate balance of our planet, the Research Topic titled “Plants and Environmental Threats” emerges as a beacon of hope and a pivotal contribution to the global discourse on ecological sustainability. This Research Topic of manuscripts transcends the boundaries of conventional academic compilations, embodying a confluence of innovative research, forward-thinking strategies, and an unwavering commitment to environmental stewardship. Within its pages, these studies weave a rich tapestry of knowledge that illuminates the indispensable role of plants and microbes in mitigating environmental threats, charting a course towards a sustainable future that hinges on our understanding of and collaboration with the natural world.