A Merry, Planet-Friendly Cook-OffWhat's the greenest way to cook up classic holiday fare?
Man vs. Woman vs. PlanetWho's worse for the environment: Me or my girlfriend?
Could Yellowstone Power My Home?The pros and cons of geothermal energy.
Water, Water EverywhereSo why should I worry about wasting it?
Smells Like Green SpiritAre air fresheners bad for the environment?
Should You Ditch Your Books for an E-Reader?The environmental credentials of the iPad and Kindle.
Nature's Air ConditionerDoes it really save gas to roll down your windows instead of flipping on the AC?
Should I Stay Funky?On the greenness of deodorants and antiperspirants.
10 Tips To Reduce Your Food Waste Slate readers offer their own suggestions for how to run an efficient kitchen.
A Rind Is a Terrible Thing To WastePlus: A call for reader advice.
Green Eggs vs. HamWhat are the environmental impacts of eggs?
Pump for the PlanetWhich brand of gas station should I use on my road trip?
Earth Day EdictsWhat to focus on if you really want to green your lifestyle.
New Studies, New QuestionsThree recent reports make sustainable consumption more complicated.
Recycling BrainteasersStaples, packing tape, pizza boxes, and books.
Is There a Greener Way To Work Out?How to burn more calories with fewer watts.
Meals on WheelsShould I buy my lunch from a food truck or a restaurant?
Wasting SyndromeHow much trash do hospitals produce?
Green GoldAre all wedding bands bad for the environment?
How Green Is Telecommuting?I need help convincing my boss ...
Escalators vs. Elevators What's the greenest way to get to the second floor?
Something Old, Something New, Something Borrowed, Something GreenHow to pick an environmentally friendly gemstone.
The Nuclear OptionIs atomic energy clean and green?
Urban DecayIs it worth it to compost in the city?
Dim Bulbs, Old Clothes, and HairballsThree questions in one column.
Seeds of DiscontentShould environmentalists just say no to GMOs?
The Greenest HighWhich illegal drug is best for the environment?
Wrap SessionIs plastic wrap greener than aluminum foil?
Salt-Shaker ShowdownAre some kinds of salt better for the planet than others?
Greening the Crimson TideWhat's the environmental impact of my period?