How many unique eco-friendly gifts can you think of for under £10? And re-using old jam jars is better than putting them in the glass recycling bin. Don't get me wroing. Recycling glass is a good thing, but huge amounts of energy are needed to transport and process the old glass, which is avoided if the glass is re-used. In 2009 we visited an eco-lodge in Ecuador where we drunk out of jam jars. Nice