Here's a tweet for you: 

"Making a positive impact has never been easier! Join [Nonprofit] and become part of a community dedicated to changing the world. Whether it's volunteering, donating or spreading awareness, you can make a difference today. Let's create a brighter future together

"Exciting opportunity to make a difference! Get involved with [Nonprofit] and be part of a community transforming lives. From volunteering to donations, your actions matter. Together, let's build a better tomorrow!