There are many organisations that support, or claim to support, autism and Autistic people. It'd be impossible to determine how many there are globally. Do bare in mind that many organisations actually work against Autistic people, only support those run by Autistic people themselves.
Filipino Canadian Autism Parent Support Group was created in 1996.
The pattern that can be found on the ribbon to support Autism Awareness is multicoloured jigsaw puzzle pieces in a ribbon shape on a white background.
The Alliance of California Autism Organizations supported the bill.
The blue ribbon on the breaking bad shirt stands for autism. This is to support autism.
Autism Speaks doesn't have patients because it is a charity, not a hospital or care home.Note: Autism Speaks is largely regarded as a hate group by Autistic people and their allies due to the harm they cause to Autistic people via propaganda they use to increase profits, due to the abusive treatment practices they support, also they support eugenics and genocide through supporting a 'cure'.
Overcoming Autism has 336 pages.
Autism Awareness is associated with the hate group Autism Speaks - they seek to increase awareness by implying that autism is a tragedy in order to increase their profits. They use blue because it is their companies brand colour, it reminds people of their organisation so they are more likely to donate to them rather than to autism organisation that support autistic people.
Jim Sinclair founded the Autism Network International in 1992 in attempts to provide peer support, and help with coping with autism and aiding in problem-solving. The organization is actually run by people who suffer from autism.
Walk for Autism supports Autism Speaks, which is widely considered to be a hate group due to the harm they cause to Autistic people. A good Christian would not support this organization.
None - autism is a neuological difference, there's nothing about autism that could cause death.
Autism Walk is promoted by Autism Speaks to increase their profits, Autism Speaks is considered to be a hate group by Autistic people - if you care about Autistic people you don't give a single penny to that organisation. If you want to walk for Autism start your own walk, make it free and ask for donations, and support an Autism charity that helps Autistic people.
Autism awareness is simply making people aware of autism and Autistic people. Unfortunately organizations such as Autism Speaks uses autism awareness to speak negatively about autism and Autistic people to increase their profits, thus there remains a lot of ignorance about autism.