If you are a Non Profit Charity company in Australia, you can apply for the Google Adwords Grant. This link is for Australia, there are different forms for different countries. Why because the laws for Charities are different in each country.

The Grant application for Australia, needs for you to have both your ABN and your DGR certificate, scanned so you can upload a copy of these to Google as proof as to your status. If you intend to apply, make sure you have a good understanding of keywords. Here is a UTube presentation. Adwords on UTube Article goes for about 27 mins. The Google Grant application takes about 6 months to process, so learn to be patient.