We often think that taking public transport is the "greenest" way to get to work. While it is better than driving a car, it still has a footprint. At Walk This Way , we want to challenge the status quo: What if your commute was 100% emission-free? Our new infographic compares the hidden impact of your daily travel and reveals the humblest mode of transport -walking- is actually the most powerful tool for change. The greenway advantage: Zero emissions: walking emits 0 g (gram