Samaritans' new national fundraising and awareness campaign, Stress Down Day, is designed to confront stress in the workplace.
The campaign begins on 1 February with a day of events, including a fundraising breakfast at the London Stock Exchange and a comedy evening at Jongleurs in London.
More than 500,000 workers believe stress is making them ill, and five million feel 'very' or 'extremely' stressed at work, according to research backed by the charity. It estimates that the cost to the economy is £3.7bn a year.
Samaritans is encouraging workers to choose a day on which to wear slippers at work for a £2 donation, to create a chill-out area at work with a £2 entry fee or to sponsor colleagues to ignore their emails.
Samaritans is also marking what it says is the most depressing day of the year, 22 January, with a series of regional fundraising events.
World Vision is promoting its ethical gift catalogue within online virtual world Second Life. The charity has created a 'village' on the site replicating life in the developing world, where Second Life 'inhabitants' can experience how ethical gifts change lives by, for example, milking a cow destined for Kenya.
PDSA has announced it is to benefit from this year's Walk2Live in May, an annual summer fundraising event encouraging schoolchildren to participate in sponsored walks. The animal
charity will receive 50 per cent of the money raised and participating schools will keep the rest.
Breast Cancer Haven will receive the proceeds from the auction of a white electric violin donated by classical musician Vanessa-Mae. The violin will feature in auction house Bonham's inaugural fundraising auction for the charity of 300 lots of luxury items on the theme of 'What Women Want'.
National Missing Persons Helpline is to benefit from a campaign encouraging listeners to London radio station LBC 97.3 FM to recycle old mobile phones. Listeners can surrender phones at branches of mobile company O2 or by post, with the charity receiving £5 for every phone.