Ask Pablo: Are Soda Makers Really Greener?
by Pablo Päster under AskPablo of TreeHugger, Living on Tue 31 Jan 2012
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Dear Pablo: I have been seeing a lot of advertisements claiming that soda makers are better for the environment. Are these claims really true? 
Dear Pablo: I had a home energy audit done and they recommended insulating my pipes. The estimated cost was quite high and I wonder, is it really worth it?
Dear Pablo: I have a tough one for you: shall we recycle our paper? There are both the CO2 and the chemical aspects to consider, and there's arguments against recycling paper in each case. 