| Org. concerned with hazardous waste | 35 |
| Org. concerned with handicap issues | 35 |
| Org. concerned with greenhouse gases | 36 |
| Org. concerned with greenhouse gas | 34 |
| Org. concerned with global warming | 34 |
| Org. concerned with firing practices? | 37 |
| Org. concerned with court proceedings? | 38 |
| Org. concerned with course work? | 32 |
| Org. concerned with composers' rights | 41 |
| Org. concerned with climate change | 34 |
| Org. concerned with carpal tunnel syndrome | 42 |
| Org. concerned with canine health | 33 |
| Org. concerned with bridges and canals | 38 |
| Org. concerned with boxer safety | 32 |
| Org. concerned with blood-alcohol limits | 40 |
| Org. concerned with asbestos stds. | 34 |
| Org. concerned with animal rights | 33 |
| Org. co-founded by W. E. B. Du Bois | 35 |
| Org. co-founded by Victor Herbert | 33 |
| Org. co-founded by Gen. George Wingate | 38 |
| Org. co-founded by Felix Frankfurter | 36 |
| Org. co-founded by Babe Zaharias | 32 |
| Org. co-founded by Babe Didrikson Zaharias | 42 |
| Org. Charlton Heston presided over | 34 |
| Org. chaired by Jane Alexander in the '90s | 46 |
| Org. central to a 1999 Seattle protest | 38 |
| Org. celebrating 65 years in 2014 | 33 |
| Org. celebrating 56 years in 2005 | 33 |
| Org. called by stranded motorists | 33 |
| Org. behind the No Child Left Behind Act | 40 |
| Org. behind the 2004 Games in Athens | 36 |
| Org. behind "100 Years, 100 Movies" | 45 |
| Org. based in Palm Beach Gardens, Florida | 41 |
| Org. based in Palm Beach Gardens | 32 |
| Org. based in Fort Meade, Maryland | 34 |
| Org. associated with U.S. Cyber Command | 39 |
| Org. asking "Where's the beef?" | 45 |
| Org. always headed by a U.S. general or admiral | 47 |
| Org. Ally McBeal would belong to, were she real | 47 |
| Org. against workplace discrimination | 37 |
| Org. against eating meat and wearing fur | 40 |
| Org. affiliated with the College World Series | 45 |
| Org. adding the Seattle Sounders FC in 2009 | 43 |
| Orff's "___ Burana" | 33 |
| Oregon’s “Emerald City” | 35 |
| Oregon's state tree, for one | 32 |
| Oregon Shakespeare Festival locale | 34 |
| Oregon graduates in vulcanization? | 34 |
| Oregon city, with "The" | 33 |
| Oregon city near the mouth of the Columbia | 42 |
| Oregon city named for a famous fur trader | 41 |
| Oregon and Idaho's ___ Canyon | 33 |
| Oread in love with her own voice | 32 |
| Ore-__, maker of frozen potatoes | 32 |
| Ordinary transport to Ms. Mansfield? | 36 |
| Ordinary items used in education | 32 |
| Ordinary guy who drinks half as much? | 37 |
| Ordinance about blasting debris? | 32 |
| Ordinal that kind of seems fake but isn't | 45 |
| Ordinal numbers in Los Angeles, e.g. | 36 |
| Ordinal number ending, sometimes | 32 |
| Orders to attack, with "on" | 37 |
| Orders to attack in the evening? | 32 |
| Orders of "draw one" at a diner | 41 |
| Orderly supervisor, maybe: Abbr. | 32 |
| Orderly phrase that can follow one, two or three | 48 |
| Ordered sets of arbitrary length, in math | 41 |
| Ordered room service, for example | 33 |
| Ordered group of numbers in math | 32 |
| Order to the person holding the deck of cards | 45 |
| Order to the "Ship of State" | 38 |
| Order to nab a New York newspaper nerd now? | 43 |
| Order to keep a fight from escalating | 37 |
| Order to attack, with "on" | 36 |
| Order to an imp, with "up" | 36 |
| Order to a slow-moving counterman? | 34 |
| Order to a D.A. with a hung jury? | 33 |
| Order to a cowboy, with "up" | 38 |
| Order to a cowboy (with ''up'') | 47 |
| Order to a "Harvest Moon": 1908 | 41 |
| Order that may be scrambled or sunny-side up | 44 |
| Order that a cook never gets straight | 37 |
| Order sought by an accused before trial | 39 |
| Order one-on-one contest, at first (5) | 38 |
| Order one so-so ice cream drink? | 32 |
| Order often pierced by a toothpick | 34 |
| Order often "on the side" | 35 |
| Order of the __ Eagle (Mexican medal) | 37 |
| Order of the British Empire, e.g. | 33 |
| Order of the British Empire and others | 38 |
| Order including frogs, toads, etc. | 34 |
| Order in a macrobiotic restaurant | 33 |
| Order given when taking no prisoners | 36 |
| Order given before shooting starts | 34 |
| Order from the place on the corner | 34 |
| Order from an old English outlaw to his cohorts? | 48 |
| Order from a villain to the henchmen | 36 |
| Order from a mug shot photographer | 34 |
| Order from a bar regular, with "the" | 46 |
| Order founded by St. Ignatius of Loyola | 39 |