Just an FYI: this one is from Hay House, so it may not cross over for US customers as a free book.
Update: 03:00 AM Rather than dropping to $0.00 in the US, this is now showing a discounted price (much as happens to many non-US Kindle customers when a US publisher discounts a book). The lower price has been edited in below.
Green Made Easy: The Everyday Guide for Transitioning to a Green Lifestyle ($0.99 US), by Chris Prelitz