The Channel 4 News presenter Jon Snow is among the star names supporting Save the Children's annual Christmas Jumper Day campaign on 12 December. Other supporters include the actor Isla Fisher, the comedian Dom Joly, the presenter Alex Jones, the dancer Bruno Tonioli and the presenter Myleene Klass.
A new Band Aid charity single featuring musicians including Ed Sheeran, Sam Smith, Bono, Ellie Goulding, Chris Martin, Emeli Sandé and One Direction has been released to help fund efforts to combat the spread of Ebola in west Africa. The Band Aid founder Bob Geldof has tweaked the 30th anniversary cover version of the Band Aid song Do They Know It's Christmas? to reflect the Ebola crisis.
Dogs Trust Manchester has been officially opened by the BBC Breakfast presenter and dog lover Louise Minchin. The charity's 21st rehoming centre has named four rescue dogs after the programme's presenters – Louise, Bill, Naga and Charlie.
The Countess of Wessex attended a gala dinner and boxing event in London organised by Debra, a charity that raises funds to find a cure for epidermolysis bullosa, a skin condition that can be fatal. The Fight Night event is in its 10th year.
Stephanie Nala, a contestant on this year's X Factor, performed to a 100-strong crowd at City Hall to close the Royal London Society for Blind People's annual youth conference, Future Exchange. The event enabled blind young people to discuss the key issues they face, including unemployment, dealing with negative public preconceptions and making the most out of living in London when you have a sight condition.
Worcester Warriors rugby union star Mat Gilbert, the UK's only deaf professional sportsman, has been announced as an ambassador for Action on Hearing Loss. He said: "I was born with bilateral sensorineural hearing loss and have worn hearing aids since I was five years old. I never let being deaf get in the way of my dream of playing professional rugby, and I hope that I can inspire people with hearing loss to fulfil their goals and make the most of their potential."
The tennis star Andy Murray has become a global ambassador for WWF, supporting the fight against poaching and illegal trade in wildlife. Murray will be helping to raise awareness through an initiative in Nepal that trains dogs to track down poaching activity in Chitwan National Park. He will be raising vital funds throughout his tennis tour next year to support work to save tigers, rhinos and elephants.