Use that baking soda for cleaning just about everything and take up home cooking.You can obviously multch all your green waste and vegetable scraps and grow your own whatever with it... (don't use the onion peels .. worms hate them... oh yes.. and citris peels are usually pretty bad for multch)All cardboard and paper scraps, glass and plastics can be recycled. We separate our recylables in our normal garbage collection service... (lobby your city authority about it). ... a giant mountain of landfill is generated by takeaway and home delivery food.... cook your own.... ask your grandma how it was done.Old clothes can be handed on, or recylced for other uses.Old building materials, bricks, concrete, tiles etc can be crushed and recycled. Metals can be recycled, Glass recycled. As part of the building approval process we have to provide a "waste management plan" indicting how we are going to manage and limit landfill that occurs by reason of our development. (If your city council doesn't do this.. lobby them).Turn some lights off. Never let any of those gadgets stay on standby mode. Only heat a portion of the house and huddle up (families seem to spend too much time apart - but in the same house, these days). Make sure you have good seals on your windows and doors, drawer heavy curtains to keep the warmth in... in summer... open some windows instead of using the air conditioner. Change your swimming pool over to salt water and run the pump at night, limiting the hours. Cover it when not in use to limit evaporation... or fill it in completely and grow tomatoes.Get someone in to provide advice on passive energy saving.Use less water. Install a rainwater tank and collect rain water for use in the garden and for flushing your toilets, and using on your garden.