Alcala first served as a two-term congressman of the
2nd district of
Quezon Province from 2004 to 2010. He is one of the principal authors of the Organic Agriculture Act of 2010 (RA 10068) and Mounts Banahaw-San Cristobal Protected Landscape Act (RA 2718). He was also a co-author of the Climate Change Act (RA 9729) and the Expanded Senior Citizens Act (RA 9994). He is an environmentalist and a non-government organization worker. According to his curriculum vitae, Alcala pursued relentlessly his advocacy for and dedication to agricultural development, particularly organic agriculture in the Congress. In
2019, almost three years after stepping down as Agriculture secretary, he attempted a comeback to the Congress, running for the 2nd district of Quezon. However, he lost to outgoing Governor
David Suarez. He sought another comeback to the Congress in
2022, this time under the
Nationalist People's Coalition, but lost to Suarez once again. ==References==