KubeCon + CloudNativeCon North America 2023, taking place in Chicago from November 6-9, is a highly anticipated event for the cloud native community, featuring discussions on IT sustainability, Kubernetes cost monitoring, and advances in observability. Grafana Labs, a Gold sponsor, will be actively participating with demonstrations and talks, focusing on environmental sustainability in the cloud, performance insights using flamegraphs, and measuring Kubernetes costs. Key topics include power consumption accountability, energy efficiency strategies, and the integration of performance profiling into OpenTelemetry, with a special emphasis on the cost optimization techniques of Kubernetes clusters using OpenCost. The event will showcase leading experts from various organizations, presenting insights into tackling sustainability challenges and performance optimization across diverse application landscapes.