The Jade Ribbon Campaign is like a big friendly game of dress-up for adults. Just like how you might put on a costume for Halloween, people in the Jade Ribbon Campaign put on a special ribbon to show they care about something important. This ribbon is jade green, which is a pretty color like grass or leaves.
Now, you might be wondering what the campaign is all about. Well, the campaign started a long time ago when some really smart grownups noticed that a lot of people from a certain place in the world were getting sick with something called liver cancer. The place is called China and liver cancer was becoming a big problem there.
The grownups wanted to do something about the problem, so they thought if they put on these pretty green ribbons, other people would notice and ask about it. This would help spread the word about liver cancer and hopefully, more people would start taking action to stop it.
Since then, the campaign has grown bigger and spread to other parts of the world. Lots of people put on the green ribbon now, not just for liver cancer, but to show they care about all kinds of health issues that people face.
So, the Jade Ribbon Campaign is a fun way for people to show they care about important things like health, and to spread the word to other people who might not know about these problems.