Natural disasters around the world are increasing in both frequency and intensity. There is a significant relationship between severe weather events and climate change. In Bangladesh, in recent years, the frequency and intensity of natural disasters have notably increased, which is attributed to climate change. Bangladesh itself contributes minimally to greenhouse gas emissions—the primary cause of climate change. Yet, if climate change or global warming continues unabated, the consequences for Bangladesh will be grave. It is time for everyone to become more aware of climate change and to learn and practice strategies for mitigating or adapting to its effects. Physicians—who enjoy unique privileges and authority in communities and have close contact with a wide variety of people—may have a crucial role in addressing this most important challenge of our time.