If you have expired or unwanted prescription drugs, you can safely dispose of them this Saturday, April 28 from 10am to 2pm as part of the Drug Enforcement Administration's 4th National Prescription Drug Take-Back Day. Improperly discarded drugs can end up in the water supply or in the hands of children. This Take-Back Day is a great opportunity to safely dispose of medications and reduce clutter in your home. During the previous three Take-Back Days, people across the U.S. have discarded nearly 500 tons of unwanted medications.

 Autism spectrum disorders (ASDs) are a group of developmental disabilities that can cause social, communication, and behavioral challenges. The Centers for Disease Control and Prevention estimates that about 1 in 88 children in the U.S. has an ASD. While there are no proven cures for autism spectrum disorders, research has shown that early treatment can greatly reduce symptoms and increase a child's ability to grow and learn new skills. Learn more about ASDs.

 During Money Smart Week, free classes and activities are available in more than 30 states to help consumers manage their personal finances.

 During National Park Week (April 21-29), all national parks offer free admission! Whether you spend a few hours at a park near you, or take a few days to explore a park further from your home, enjoy America's great outdoors.

 Sexual violence is a serious public health problem in the United States where 1 in 5 women and 1 in 71 men report that they have been raped or experienced an attempted rape. If you are being victimized, please seek help. You can call the National Sexual Assault Hotline at 1-800-656-4673 or visit the Rape, Abuse & Incest National Network (RAINN).

 Some publications are available in print and others are available online or as PDFs. Publications include: "How to Cut Down on Your Drinking"'; "Ask, Listen, Learn: How to Talk to Your Adolescent About Alcohol"; "Alcohol: A Women's Health Issue"; and much more!

 This challenge calls for an app that provides access to information about the availability of shelters, free clinics, and other social services used by America's homeless. Volunteers and outreach workers should be able to use this app to easily share information with those in need. The Department of Veterans Affairs will award $10,000 to up to five finalists and $25,000 to the grand prize winner.

 April is Alcohol Awareness Month. This nationwide campaign is intended to raise awareness about the consequences of excessive drinking, and to encourage those with a drinking problem to get help.

 To celebrate Earth Month, the Environmental Protection Agency is sending out daily e-mail tips. If you sign up, you'll receive information about saving energy, using water efficiently, how to reduce, reuse, and recycle, and more.