You Can Save The Planet. How About After Tea? — 45 minutes; accepted
I don't mean to mock you, I don't think we will finish the task tonight. But I'd like to show it is feasible, and that it needs us to go about it and never stop. Facts, numbers, statistics, prognoses, colourful diagrammes... Old and proven engineering techniques, pretty unexpensive ones, too. Alternatively: What I have been doing and learning since the last PerlCon.