David Roberts

I will spend at least 5 minutes assessing the vehicles used by my company or college and advocate for a purchasing policy focused on fuel-efficient vehicles.

I will keep track and reduce my consumption of refined sugars, including sweetened beverages, candy, and processed foods.

I will prevent water runoff and increase absorbency by mulching the base of plants and trees at my home or work.

I will improve a bus stop in my neighborhood by posting the stop schedule, adding seating or shelter, adding art or flowers, picking up litter, or some other small improvement.

I will host a watch party to screen a documentary about an issue that matters to me.

If buying a plane ticket, I will also buy a carbon offset.

I will sign up for a car-sharing service or organize car sharing with my neighbors or classmates to cut down on the number of vehicles on the road.

I will sign up for my utility company's clean/renewable energy option.

I will avoid buying toxic plastics - including polycarbonate, polystyrene and polyvinyl - and instead replace them with durable non-plastic options.

I will source 1 meal(s) each day from local producers.

I will raise money to support Ecochallenge.org or another nonprofit.

I will spend 5 minutes learning about the perils of fast fashion and will buy my clothes at second-hand stores when I shop.

I will carry all of my unrecyclable, non-compostable trash with me to raise my awareness of how much I send to the landfill.

I will replace manual thermostats with programmable ones.

I will upgrade the windows or weatherstripping in my home or office to reduce air leaks and save on energy costs.

Instead of traveling by plane, I will find an alternative way to accomplish the goals of an upcoming trip (i.e. telepresence, vacation locally).

I will practice the seven principles of Leave No Trace when doing nature activities alone or with family and friends.

I will spend 5 minutes each day maintaining a record of all my purchases and learning about my spending habits.

I will create or support a sharing economy with family, friends, neighbors or classmates.

I will adopt a "Needs Vs. Wants" approach and only buy things I need.

I will avoid wasting water while waiting for the shower or sink to heat up.

I will save up to 15 gal (56 L) of water a day or 450 gal (1,680 L) a month by installing a low-flow showerhead.

I will fix faucets or report leaky faucets to facilities that have been wasting up to 9 gallons (34 L) of water a day or 270 (1,020 L) gallons of water a month per faucet.

I will not travel for meetings and will instead conduct them virtually.

I will visit my nearest farm to find out who produces my food, and will learn about the quality of life of those around the world who produce my food in order to make better choices when I shop.