diff --git a/_conda b/_conda
index ef49d69..36a7f48 100644
--- a/_conda
+++ b/_conda
@@ -49,6 +49,21 @@
 #
 #    zstyle ":conda_zsh_completion:*" show-unnamed true
 #
+# To display environments autocompletion sorted in creation order add the following
+# to your '.zshrc':
+#
+#    zstyle ":conda_zsh_completion:*" sort-envs-by-time true
+# 
+# The completion will display both global environments (envs located in conda_dir/envs and base env)
+# and local environments (located in ~/.conda/envs).
+# If enables sort-envs-by-time, it will display local environments first.
+# To display global environments first, add the following to your '.zshrc':
+#
+#    zstyle ":conda_zsh_completion:*" show-global-envs-first true
+# 
+# If not enables sort-envs-by-time, then all environments will be sorted by alphabetical order,
+# and this option is useless.
+#
 # To forcefully clean the completion cache, look in '~/.zcompcache' and remove
 # file starting with 'conda_'. And/or do 'rm ~/.zcompdump*'.
 #
@@ -138,11 +153,37 @@ local state line context
 local -A opt_args
 
 __conda_envs(){
-    local -a envs
+    local -a envs unnamed sort globalfirst localenvs globalenvs
+    local -a ls_opts=("-1")
+    local -a describe_opts
     # only parse environments.txt (including unnamed envs) if asked by the user
-    zstyle -s ":conda_zsh_completion:*" show-unnamed tmp
-    envs=($(echo base && ls -1 ${${CONDA_EXE}%bin/conda}/envs && (test -n "$tmp" && cat ${HOME:?}/.conda/environments.txt) | cut -f1 -d' ' | sed -e "s|^${HOME:?}/.conda/envs/||"))
-    _describe -t envs 'conda environments' envs
+    zstyle -s ":conda_zsh_completion:*" show-unnamed unnamed
+    zstyle -s ":conda_zsh_completion:*" sort-envs-by-time sort
+    zstyle -s ":conda_zsh_completion:*" show-global-envs-first globalfirst
+    if test -n "$sort"; then
+        ls_opts+=("-t")
+        describe_opts+=("-V")
+    fi
+
+    # global envs (if exists) and base env.
+    globalenvs=($([[ -d "${${CONDA_EXE}%bin/conda}/envs" ]] && ls $ls_opts ${${CONDA_EXE}%bin/conda}/envs))
+    globalenvs+=("base")
+
+    # local envs (if exists).
+    localenvs=($([[ -d "${HOME:?}/.conda/envs" ]] && ls $ls_opts ${HOME:?}/.conda/envs))
+
+    if test -n "$globalfirst"; then
+        envs=($globalenvs $localenvs)
+    else
+        envs=($localenvs $globalenvs)
+    fi
+        
+    # unmaned envs (if show-unammed). 
+    if test -n "$unnamed"; then
+        envs+=($( (test -n "$unnamed" && cat ${HOME:?}/.conda/environments.txt) | cut -f1 -d' ' | sed -e "s|^${HOME:?}/.conda/envs/||"))
+    fi
+
+    _describe $describe_opts -t envs 'conda environments' envs
 }
 
 __conda_packages_installed(){