diff --git a/zshenv b/zshenv
index 9d3363c..79d6d9a 100644
--- a/zshenv
+++ b/zshenv
@@ -3,11 +3,19 @@
 # Eryn Wells <eryn@erynwells.me>
 
 
+local sys=`uname -s | tr A-Z a-z`
+
+
+# Global settings for sh, bash, ksh, zsh derivative shells
+[ -e $HOME/.env ] && source $HOME/.env
+
+
 PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/X11/bin
 [ -d /opt/local/bin ]   && PATH=/opt/local/bin:$PATH
 [ -d $HOME/.local/bin ] && PATH=$HOME/.local/bin:$PATH
 [ -d $HOME/bin ]        && PATH=$HOME/bin:$PATH
 
+
 PAGER="less"
 MANPAGER=$PAGER
 EDITOR="vim"
@@ -22,12 +30,19 @@ export PATH \
        LESSHISTFILE \
        GREP_OPTIONS GREP_COLOR
 
-[ `uname -s` = "Linux" ] && export MAIL="/var/mail/$USER"
+[ $sys = 'linux' ] && export MAIL="/var/mail/$USER"
+
 
 local py27local=$HOME/.local/lib/python2.7/site-packages
 if [[ ! -z $PYTHONPATH ]]; then
-    [ -d $py27local ] && PYTHONPATH=$PYTHONPATH:$py27local
+    [ -d $py27local ] && PYTHONPATH=$py27local:$PYTHONPATH
 else
     PYTHONPATH=$py27local
 fi
 export PYTHONPATH
+
+
+# System specific environment settings
+[ -e $HOME/.zshenv.$sys ] && source $HOME/.zshenv.$sys
+# Local environment settings
+[ -e $HOME/.zshenv.local ] && source $HOME/.zshenv.local