You can make a living with Google Adsense. However, these days, its take a larger effort. When Google Adsense was in it's infancy, clicks paid out higher and there where less competitors in terms of rankings for different niches organically. Site owners who ranked well for high traffic websites and expensive keywords before Google Adsense went live, have done extremely well for themselves once they placed Adsense on their pages.
I'm making over $300+ with adsense monthly. Getting traffic from Search engine to my articles. Its the best match