Natalie Isaacs' "aha moment" came when she slashed her home electricity bill by 20%. "If millions of people did what I did, it would make a huge difference." More
By Julia Newbould -
Julia Newbould is the managing editor of Money magazine. She was previously editor of Financial Planning and Super Review magazines; managing editor at InvestorInfo and at Morningstar Australia. Julia co-authored The Joy of Money, a book on women and personal finance. She holds a Bachelor of Economics from the University of Sydney where she serves on the alumni council.