There are many options for doing so.
Here’s one: http://www.nvcfoundation-ph.org/ (Thanks, TPS!)
The link below gives several options.
For those based abroad and want to donate via Paypal, check out Catholic Relief Services under Overseas and Online in the list.
My apologies to the three people who checked the link earlier and were led to the site mentioned by C in the comments below. So embarrassing.
On another note, here’s another group accepting donations and volunteers: