Find a organization/agency that helps feral cats.
Be a feral cat care taker for a organization/agency.
Socialize feral kittens.
Volunteer at a spay/neuter event for feral cats.
Build shelters for feral cats
Fundraising or write grants for feral cat organizations/agencies.
Educate others.
Donate to feral cat program funds.
Start a trap and release program.
Trap feral cats in humane traps, have them spayed or neutered and release.
If you can catch a feral cat or kittens take them to a shelter/rescue.
Inexpensive Tips For Helping A Feral Cat Survive The Winter Months
http://pages-by-patty.hubpages.com/hub/Inexpensive-Tips-for-Helping-a-Feral-Cat-Survive-the-Winter-Months
How to Help Feral Cats: Step-by-Step Guide to Trap-Neuter/Spay-Return
http://www.alleycat.org/document.doc?id=461
