Editor's note: Watch NBC Nightly News all this week for "good news" stories of individuals and organizations changing their communities. In the meantime, here are a handful of affiliate pieces that reflect the spirit of the Making a Difference series.
Chicago / WMAQ
NBC Chicago collects more than 1,300 coats
Denver / KUSA
Woman's fast response, self-diagnosis helped save her
Off-duty trooper risks life saving boy after falling through ice
Hulstrom Options students learn lacrosse from a pro
African 'treasures' in Colorado bring cultures closer together
Haiti earthquake survivor, amputee learns to ski
Taylor's Gift: Memory of little girl saving lives
Emily's hope: A team working to find answers to fight a child’s bone cancer
Come play in Jake's Toy Box
An 'Exceptional Family' with a 3-year-old as the star
Minneapolis / KARE
Minnesota farmer spreads $3 million around his small town
Willmar man creates spectacular Christmas light show
Land of 10,000 Stories: Minnesota seniors get their wish
Phoenix / KPNX
Cleveland / WKYC
Raymond Mills runs the Volunteers of America ministry
Painesville: Hope Chest loses hundreds of donations in fire
Southtowns snow brings fun, good neighbors
Tulsa / KJRH
Students are making a difference by making wishes come true
11-year-old makes a difference in the lives of thousands of the eldery and shut-ins
Making a Difference by honoring Oklahoma veterans killed overseas
"Old Guys" Make a Difference by building homes for less fortunate
Volunteer is Making a Difference in the lives of premature babies and their families
One man is making a big difference by helping to feed and house the needy
Salinas / KSBW
"Mystery Santa" handing out holiday cards stuffed with cash
Bend, OR / KTVZ
Redmond family gets a home for the holidays
Duluth, MN / KBJR
Iron Range Couple Responds to Wayward Wishlist
Salon Offers Help For Those Coping With Hair Loss
Do you know a story that deserves to be told? If so, click here to nominate someone for a possible profile on NBC Nightly News.