I have one of these...
Nespresso LattissimaIt does really good foamed milk.
I'd wondered why, but we have a water softener, so the water is clean and ph 7.2, this may well help.
I like the variety of coffees offered.
All the capsules are recycled.
Peter's comments are accurate, although much aluminium is already recycled, so the by-products of aluminium extraction are somewhat overstated.
Furans are best avoided, but for some processes, unavoidable. It has been classified as a nongenotoxic carcinogen. Furan is thought to be activated to a reactive intermediate, cis-2-butene-1,4-dial that alkylates proteins leading to a toxic response. The resulting chronic toxicity stimulates cell replication, which increases the likelihood of tumor production..perhaps.