I found some recent articles about Giuseppe Penone in national newspapers:

In The Studio: Giuseppe Penone:

http://www.independent.co.uk/arts-entertainment/art/features/in-the-studio-giuseppe-penone-artist-8456217.html

An article in the Independent about Giuseppe Penone, and his studio/how he works.

Whitechapel Gallery review:
http://www.theguardian.com/artanddesign/jonathanjonesblog/2012/sep/03/giuseppe-penone-arte-povera-whitechapel-gallery

A review in The Guardian about Giuseppe Penone's recent show, Spazio di Luce, at the Whitechapel Gallery.