•Volunteer: Volunteering is one of the single greatest things you can do this holiday season and the rest of the year. •Donate: Donating is another selfless act that you can participate in this holiday season.Donating is easy to do and it makes a big difference.•Fundraising: Fundraising is another selfless way to help others this holiday season. Fundraising is the key to raising big bucks for organizations and raising awareness for causes that matter to you.•Adopt a family for the holidays: Give a family in need a Christmas they’ll never forget, by participating in an adopt-a-family program this holiday season. For each family you adopt, you’ll supply them with food, toys for the children, as well as clothing or hygiene products for older kids and adults.•Play Santa Claus: Instead of exchanging gifts with family and friends this holiday season, play Santa Claus by giving and not receiving.•Listen: Taking the time to listen to a coworker who’s having a bad day or a complete stranger who needs to vent will be much appreciated. •Give blood: Donating blood is one of the single most selfless things you can do for others this holiday season and the rest of the year. Just one pint of blood can save up to three lives.www.mnn.com