Background: The emerging global issue of climate change has large-scale effects on health and well-being, including communication disorders. The broad range of the speech and language therapy profession's scope of practice incorporates prevention, advocacy and equality in service delivery. These act as a springboard for involvement in climate change and health. Aims: This is an appeal to speech and language therapists (SLTs) to focus and take action on this issue and its considerable effects on communication and swallowing disorders. Methods & Procedures: This article discusses the importance of taking a public health position on prevention and equality of services to manage environmental determinants of communication and swallowing disorders. It also describes the extent to which climate change affects these disorders and exacerbates the inequality of healthcare services in low-and middle-income countries. Main Contribution: Five strategies are provided for action on fulfilling therapists' roles in reducing the incidence, development and exacerbation of climate-related communication and swallowing disorders, as well as the role of SLTs in acting as advocates. The case is made for expanding the scope of services to focus on prevention and service equality so as to best meet the needs of the wider community. Conclusions & Implications: Despite other challenges currently facing SLTs, climate change and its increasing effects on communication disorders and dysphagia is difficult to ignore. SLTs owe it to their clients, the wider community, low-and middle-income countries, the economy, and the future to take action.