Today, we're amplifying young people's voices and, beyond that, giving them a tangible way to keep their school safer from gun violence. This is the Guns Out campaign, a national initiative that is activating thousands of students to demand their college president take a public stand against guns on campus.

Tobacco use is the leading cause of preventable disease and death in the United States and each year, nearly 70 percent of current smokers want to quit. So, why don't they? The answer is because quitting is not something that can be easily achieved alone.

Valentine's Day can be a particularly lonely holiday for many, especially for older adults. By creating (over 30,000!) handmade cards we were able to spread some love and kindness to seniors who need it.

Nev Schulman is the face of Grandparents Gone Wired, a campaign from DoSomething.org and Mentor Up. This holiday season, Grandparents Gone Wired activates young people to teach their grandparents -- or other older adults -- how to text and how to use emojis.

This may feel like a small win, but the language we use has an enormous impact on the reality we live. Plus, it shows that even a small but mighty army of young people can create racial progress. Here's hoping that army grows larger and mightier every day.