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.
It seems counterintuitive. Is it just greenwashing? Is it due to government regulation? Let's find out. 
What's Better, A Lifetime of Phone Books or a Lifetime of iPhones? 
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. 