I am not thinking it is a scam, just that I feel more details need to be given. We are in a forum where there are people of all kinds and types. Definitely there are some bad hats among us. It is better for everyone to be careful with their Bitcoins or fiat money. Of course, charity is a good cause, thats why I am urging you to release more details or others may think it is just a scam and I can't blame them.
This is a scam. If it was not a scam, there would be more than 5 minutes worth of effort put into the idea.
This is a scam. If it was not a scam, they would already be helping people with an established organization.
This is a scam. If it was not a scam, OP would have more than 5 posts.
This is a scam. If it was not a scam, evidence of the 'charity' would be presented obviously and helpfully at the very start.
This is a scam.