4% of worldwide CO2 emissions come from IT and like in all other industries we have big potential to not only reduce the carbon footprint but also lower costs.Tune in to our episode where we have Mario-Leander Reimer, CTO at QAware GmbH, talk about his top 3 suggestions for Sustainable IT: Making the right architectural choices, Right-sizing your environments and shutting down environments not needed!Mario is also heavily involved in the CNCF and gives us an overview of projects to look into such as Kepler, kube-green, Karpenter or Carbon Aware Multi-Cluster Schedulers.Here are the links we discussed:Blue turns Green presentation: https://speakerdeck.com/lreimer/blue-turns-green-approaches-and-technologies-for-sustainable-k8s-clusters-number-kcdmunich?slide=5Kepler Project: https://kepler.gl/kube-green: https://kube-green.dev/CNCF TAG Environmental Sustainability: https://github.com/cncf/tag-env-sustainabilitySustainability Week: https://tag-env-sustainability.cncf.io/cloud-native-sustainability-week/