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Going Green

How to Green Your Kitchen
by Team Treehugger, Worldwide on 02.15.08

What’s the Big Deal?

The eco-friendly kitchen begins with eating green, but it doesn’t end there. Energy-efficient food preparation and cleaning habits, using equipment made from sustainable materials, and dodging toxic chemicals are also important if you want to have a truly healthy kitchen. Fortunately, making the right choices for your well-being is also good for the pocket and the planet. Our straightforward and simple suggestions for preparing earth-friendly meals--from fridge to food to cleanup--will turn you into a greener gourmet in no time.

1. Make It Last

Choose cookware and utensils that stand the test of time and won’t have to be thrown away with your leftover casserole. That means you gotta ditch the Teflon. While the debate about the health hazards of non-stick surfaces continues, there is no doubt that it has a limited useful life. Go for stainless steel or cast iron instead. Though a bit of an investment, a good cast iron skillet will last for generations. Likewise, choose sturdy utensils rather than cheap ones; low-quality wooden spoons, for example, can rot, and plastic will melt if you leave it on the stove too long. Buy high-quality knives that you can sharpen by hand, and use long-lasting cloth towels instead of paper.

2. Energy Smackdown: Gas vs. Electric

When it comes to the stove top, it can be a tough choice between gas and electric; natural gas is a fossil fuel, but most of the electricity in the US comes from coal-burning power plants. From a straight-up cooking perspective, many cooks prefer gas because it's easier to control temperatures; it also offers instant-on heat, and doesn't waste much heat when the cooking is done. If you're a gas devotee shopping for a new stove, know that the the lower the BTU output, the more energy-efficient your stove will be.

With electricity, the most efficient stoves are those that use induction elements, which transfer electromagnetic energy directly to the pan, leaving the cook-top itself relatively cool and using less than half the energy of standard coil elements. One drawback is that induction-element cook-tops require the use of metal cookware such stainless steel, cast iron, or enameled iron -- aluminum and glass pots won't work -- and since the technology is still relatively, they're generally only found in higher-priced models.

The same goes for units with ceramic-glass surfaces, which use halogen elements as the heat source, making them the next best choice from an efficiency standpoint. These deliver heat instantly and respond quickly to changes in temperature settings. (They're also very easy to clean, which is a bonus). But they only work efficiently when there is good contact between the pan and the hot glass surface; energy will go to waste if pan bottoms are even slightly rounded. Standard electric coils -- those spiral types we're all used to seeing -- by the way, are at the bottom of the barrel when it comes to energy efficiency. If you go for an electric stove, no matter which you choose, opt for the most efficiency-efficient model possible, then purchase green power to support electricity from clean, renewable sources.

The stove you ultimately choose will probably depend on price and lifestyle, so the greenest choice you can make is really to pick the option that you'll be able to live with for at least a decade or more, which will save on materials and resources from a manufacturing standpoint.

3. First, Love Your Appliances

Energy-efficiency upgrades are coming fast and furious to many new appliances. An efficient dishwasher, for instance, can use a lot less water than washing the dishes by hand in the sink. (Check out How to Green Your Dishwasher to learn more.) But before you jump the gun and make a hasty appliance purchase, however, first check to make sure that a repair isn't in order. How will you know? Check out Planet Green's series on when to repair (and when to recycle) old appliances. If the time has indeed come to get rid of an old appliance, note that many communities have take-back programs, helping you to properly dispose of these things, which likely contain hazardous chemicals and materials. When it does comes time to replace your old-faithfuls look for the Energy Star rating, available for kitchen appliances including stoves, refrigerators, freezers, and dishwashers, then choose a sturdy model that will last.

Tweaking your appliances to run efficiently saves big bucks and helps the planet, too.

4. Energy-Efficient Cooking

Preheating is almost prehistoric. Many newer ovens come to temperature so rapidly, they make preheating almost obsolete (except perhaps for soufflés and other delicate dishes). If you're roasting or baking something that's a little flexible when it comes to cooking time, you can put it in right away, then turn the oven off five or ten minutes early, and let dishes finish cooking in the residual heat. (Ditto for anything cooked on an electric stove top.)

Making as best use of the oven as possible –- cooking more than one thing at once, for instance -- is also wise. For small dishes, using a toaster oven, or reheating in a microwave will also save energy; in fact, Energy Star estimates that you can reduce cooking energy by as much as 80 percent when using the microwave instead of the oven. When cooking on the stove, using a properly sized pot for each of the stove burners alo makes a differnce; on an electric stove, for example, a 6-inch pot used on an 8-inch burner wastes more than 40 percent of the burner's heat. Make sure all of your pots and pans have close-fitting lids, then use them whenever possible--including when you're bringing boiled water up to temperature--which helps reducing cooking time and keeps heat wher eit belongs--in the pan. Pressure cookers are another great way to save energy, reducing cooking time by up to 70 percent. Of course, the most energy efficient cooking means leaving heat out of the equation altogether--don't forget about salads, chilled soups, and other dishes that require little prep and can be eaten cold. There’s a large niche culture growing around the idea of raw food-- don't be afraid to try something new!

5. Do It Yourself

Avoid purchasing pre-prepared, frozen foods, and make them yourself, at home; many meals are made to be frozen and reheated without any loss in taste or quality, so there's no reason to thaw and rehydrate frozen and dehydrated foods when you can skip these steps and buy and cook fresh. As an added bonus, you also know exactly what is going in to your food, and, if you're diligent about sourcing it, where it came from. This option also cuts out steps of your food’s lifecycle (and the associated energy in processing and transportation that comes from each step). If you have the space, take it a step further and grow your own fruits, vegetables, using your composted kitchen waste as fertilizer. Don't stop the DIY train there, though: you can clean your counters and hand-wash dishes with white vinegar and baking soda. Instead of shelling out for bottled water, get a filter pitcher or tap filter. You could even buy a seltzer siphon or carbonator to fizz your filtered water and flavor it with homemade syrups; we recommend the Soda Club or one of its contemporaries.

6. Buy Local

The food you bring in to your kitchen is just as important as the gadgets and appliances you have there, so buy local whenever you can. Food miles have risen near the top of eco-friendly food considerations, and the fewer miles from farm to table, the better. Organic grapes from Chile might taste good in the dead of winter, but consider the pollution caused by flying them to wherever you are. In addition, since they're bereft of preservatives, biocides and many other nasties that inhabit conventional foods, organic foods can spoil more quickly, meaning that the longer your bunch of grapes is in transit, the less pristine its condition is likely to be. Whenever possible, we recommend supporting a community supported agriculture (CSA) co-op, buying from local farmers' markets or purchasing directly from farmers themselves.

7. Bulk Up

Buy in bulk and cook in bulk; just make sure you can consume what you purchase and produce! (See Waste Not, Want Not below for more details on that). Purchasing from the bulk bins mean less packaging, and fewer trips to the store, and can also mean financial savings. It's not just for groceries, either: for example, you can buy bulk packages of towels intended for cleaning and detailing cars, and use them in the kitchen. They're extremely sturdy and a lot cheaper than most kitchen towels (not to mention much less disposable than paper towels). Bulk cooking is a more efficient use of appliance energy and your time, (and a great excuse to throw a party), so cook up a nice big pot of soup and anticipate saving (and eating) lots of leftovers. And plan ahead; planning meals that can feed you and your family for a few days is a great way to shop efficiently and free up your precious leisure time.

Reusable containers, like these from designerJorre van Nast, are a great way to store bulk foods.

8. Waste Not, Want Not

On average, the kitchen generates the most waste of any room in your house; for one of the main reasons, look no further at the excessive packaging on supermarket shelves. But fear not, it’s not as hard as it may seem to cut back on waste. Step one: refuse excessive packaging by taking your own bags, buying fresh, unwrapped produce, and thinking carefully about how the purchases you're making are wrapped up. Step two: avoid over-sized portions; if you are regularly throwing food away then you are buying, and cooking, too much. Step three: reuse what you can, like old glass jars or bottles, grocery bags, and packaging you can't avoid. Step four: compost any uncooked organic waste (including cardboard and paper), and don't fret if you don't have a garden on which to spread your yummy humus. Even in big cities, many local farmers markets and organizations will gladly accept your compost. After all this, if there's anything left over, be sure to swing by the recycle bin before tossing anything in the trash.

9. Green Kitchens Can Be Clean Kitchens

The list of what goes into regular petrochemically-based dishwashing liquids, detergents, floor and surface cleaners and other household cleaning products is enough to turn anyone's stomach. Fortunately there are plenty of natural cleaning companies out there producing non-toxic, biodegradable, plant-based detergents (see our How to Green Your Cleaning for more details). And as we mentioned in the Do It Yourself tip above, you can always create your own cleaning products using everyday ingredients such as vinegar and baking soda, which combine to make a great all-purpose, non-toxic cleaner.

10. Remodeling? Recycle

Of course, making your old kitchen work for you is the greenest option of them all, but there comes a time when even the greenest folks need to upgrade or replace. If you are in the market for a new kitchen, turn first to salvage and antiques. They don't make 'em like they used to, so look for kitchen fittings, floors, paneling, and cabinets that have had a previous life are unique and have already stood the test of time. If you’re trading things out, be sure to offer them on Freecycle or Craigslist before kicking them to the curb.

If reclaimed materials won't do the job for you, there are plenty of green options for new materials too. Green countertops made of recycled paper and yoghurt pots, to bamboo and cork flooring -- be sure to your homework about the options available and their environmental impact (remember, all bamboo is not created equal) and stay tuned to the guides for How to Go Green for more remodeling suggestions!

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