Here are some petitions to sign:
"Stop tearing families apart" petition on change.org
"STOP THE GOVERNMENT FROM ABUSING IMMIGRANT CHILDREN" petition from the ACLU
"Separating Families is Inhumane" petition from the ACLU
Here are some organizations to donate to:
-National Immigrant Justice Center
-RAICES Legal Rep./Education/Advocacy Fund for Unaccompanied Children
-Diocesan Migrant and Refugee Services
-LUPE
-Las Americas
-Fianza Fund
-Neta