I drink a lot of diet soda. I tend to buy it in one of two formats: 12-packs of aluminum cans (which come in paperboard cartons), and individual two-liter bottles. If I were to buy one format exclusively and recycle the packaging, which would be the greener choice? [more inside]
posted on Apr 25, 2008 - 32 answers

Strategies for greening the work place? [more inside]
posted on Apr 7, 2008 - 11 answers

Do you or anyone you know make use of graywater. If so, how? [more inside]
posted on Jan 9, 2008 - 35 answers

In the UK, what percentage of material that you're supposed to put in the orange recycling bags actually ends up getting recycled? I've read stories that one of the reasons for separating out tins/certain plastics/paper is because regulations about exporting these to other countries for dumping are more lax. I've not been able to find any hard numbers, are there any statistics (probably per-material) available? [more inside]
posted on Oct 29, 2007 - 8 answers

Does recycling aluminum cans reduce the market price of aluminum? [more inside]
posted on Aug 16, 2006 - 16 answers

Which is a more environmentally friendly choice, an electronic PDA or a paper-based planner? [more inside]
posted on Jul 18, 2006 - 10 answers

The refrigerator died. We'll be getting rid of a lot of old bottles - which is environmentally preferable? [more inside]
posted on Apr 15, 2006 - 3 answers

What do I do with all this plastic? [more inside]
posted on Dec 5, 2005 - 8 answers

I've gotten into the habit of wrapping meat and veggies together in foil and baking the whole parcel. Delicious and very easy. But I feel guilty about using so much foil. Is there an alternative technique? I don't mind having to wash something up to avoid wastage.
posted on Jul 7, 2005 - 16 answers