I've done quite a lot in recent months/past year, basically a complete shift from uber consumer to some reasonable level of frugality/environmental friendliness.
When showering, I now only use water to wash my hair, then off. Back on only to rinse off. Obviously, saving water, sewer, and energy for hot/warm water. I haven't done much in reducing water temp so room for improvement there.
I make sure I don't leave the water running when brushing my teeth.
I never turn on the faucet wide open unless I'm filling something. When using water, I turn it on just enough. I'm encouraging my household of 5 to partake in these to develop new habits on all of us, hopefully. I'm sure many on these forums have already been doing this for as long as they can remember, but I have definitely not. So I feel like these are big changes, especially as they carry over to the entire household.
Just had a hybrid water heater installed.
Recently moved. We had five window units on our hold house, and they were always set around 70, and often cooler at night, as low as 66. New house has central air and is easier to maintain a constant temp and good humidity level in the house. Keeping the AC set warmer was an important goal. So far, we have settled on 73 at night while sleeping and 75 during the day. I think there is room to improve during the day, especially during hot sunny days when the A/C tends to run a lot.
We are trying to be very intentional about buying "stuff" and getting away from the mindset that "buying stuff" is what makes life rewarding.
If I stop in somewhere to pick up a single item or two, I ALWAYS refuse the plastic bag that the cashier automatically places the individual item into. Half the time I have to take the item back out of the bag. Is it really easier to carry one item(plastic bag) than one item(item without the bag? A constant reminder of the sickening wastefulness of our culture.
I mentioned earlier in the thread that we are now recycling for the first time ever. I feel really good about the improvements we have made. I feel like, as a household, we have drastically reduced our wastefulness.