Green and sustainabile practises have long been overlooked by far to many of us coders and software engineers. This lack of focus risks missing out on possibly large opportunities to make the world a slightly greener place while winning business. This talk presents 11 tips that we hope will help you get started with writing greener code more greenly. The tips are baed on an informal review of the relevant academic literature conducted so that you don't have to read it. If you follow these tips, you may end up writing code that is more environmentally firendly and also cheaper and faster to run without sacreficing (much?) maintainability.