Nikki Sittser

I will naturally heat and cool my house, office, or dorm room by opening or closing my windows, curtains, and blinds, and by using fans.

I will research toxic chemicals found in cleaning supplies and personal care products and remove them from my home.

I will avoid buying toxic plastics, including polycarbonate, polystyrene and polyvinyl.

I will adjust my thermostat down 2 degrees from usual when I use the heat, and up 2 degrees when I use air conditioning.

I will exercise daily for 45 minute(s) per day for two weeks.

I will enjoy the sunrise and/or sunset each day.

I will replace 3 incandescent lightbulb(s) with Energy Star-certified LED bulbs, saving up to $14 per fixture per year.

I will take a 20-minute walk outside each day.

I will practice the seven principles of leave no trace when doing nature activities alone or with family and friends.

I will use public transit 20 mile(s) per day and avoid sending up to 4.03 lbs of CO2 into Earth's atmosphere.