Further, I imagine any even small effort that is noticed can contribute positively. Things like: "We've started timing our showers." "We do Meat-Free Mondays.

Further, I imagine any even small effort that is noticed can contribute positively. Things like: "We've started timing our showers." "We do Meat-Free Mondays. It's easy and cheaper." "I've got into xeriscaping recently." There are a number of things that are generally cheaper, not much effort and probably interesting to undertake.