I recycle the water I boiled eggs in by transferring it to the plant can and adding more water. The calcium is GOOD for the plants.
Getting a little better at turning off lights when not in use; thing is, I dart in and out of rooms all day and night, so I'm not convinced that it's effective to constantly switch-on/switch-off.
I recycle paper-products, cans, metals, bottles, magazines, cardboard, and glass.
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I can't make myself turn off the faucet while brushing my teeth because I simply cannot handle using cold water.
Though I have and do use re-usable bags, I still opt for plastic ones because I use them for many, many things. They are now banned in Oregon, so I'm collecting all that I can.