As you clean out your closets for the new year, here’s how to do it right January 4, 2023 at 6:30 a.m. EST (Video: Washington Post illustration; Carolyn Van Houten/The Washington Post; iStock) Comment on this story Comment Whether it’s spring cleaning or tackling a New Year’s resolution, many people are purging their closets at least once a year — if not more — and flooding their local charities with heaps of donations. Donating has long been a popular, convenient and largely guilt-free way to get rid of clothes you don’t wear anymore. But how much of your donated clothing finds a new home or helps someone in need? Far…