This chapter investigates the synergistic application of cutting-edge technologies in wireless communications, radio frequency (RF) energy harvesting, and sensor networks to combat climate change. We begin by examining how advancements in green mobile communication protocols can minimize the environmental impact associated with data transmission. Next, we explore the potential of RF energy harvesting to power Internet of Things (IoT) sensor networks. This facilitates the creation of a distributed and self-sustaining monitoring infrastructure. By leveraging space-based solar power, these networks could be deployed not only in remote regions but across the globe, significantly contributing to a sustainable future. Finally, we delve into the utilization of radar technology for enhanced climate monitoring capabilities, thereby improving our capacity for disaster response. By fostering collaboration between these aforementioned fields, we can establish a robust and environmentally conscious interconnected world. This comprehensive system empowers us to both mitigate climate change through efficient data collection and adapt to its effects through real-time monitoring and the implementation of early warning systems.