Most cloud sustainability tools are built for sustainability officers. They pull three-month-old billing data, run it through a proprietary model, and produce a PDF that engineers never see. By the time you know your us-east-1 cluster emits twice as much as us-west-2 would have, it's been running for a quarter. The architecture is locked in. The carbon is already burnt. The only moment you can act
Azure bills are frustrating because the waste is almost never obvious. It hides in places you forget to check. This post covers the most common sources of wasted Azure spend I've seen across multiple subscriptions — with the exact CLI commands to find them. When you delete a VM in Azure, the disks are not automatically deleted unless you explicitly checked the box at creation time. Most teams don'