diff --git a/TODO.md b/TODO.md
index b9a996e..2316e18 100644
--- a/TODO.md
+++ b/TODO.md
@@ -34,6 +34,10 @@
 - Setup generator-star-spacing when babel-eslint issue 316 will be fixed
    - https://github.com/babel/babel-eslint/issues/316
 
+## local cache
+
+- Take poosh environment into account
+
 ## internal
 
 - Const nazification?
diff --git a/packages/poosh-cli/src/helpers/argv.js b/packages/poosh-cli/src/helpers/argv.js
index 2fea9dd..d8ad7aa 100644
--- a/packages/poosh-cli/src/helpers/argv.js
+++ b/packages/poosh-cli/src/helpers/argv.js
@@ -71,3 +71,7 @@ export function parseArgs(args: Array): Object {
 
   return { subcommand };
 }
+
+export function parseEnv(val: string): String {
+  return val;
+}
diff --git a/packages/poosh-cli/src/main.js b/packages/poosh-cli/src/main.js
index 8215623..c1f7424 100644
--- a/packages/poosh-cli/src/main.js
+++ b/packages/poosh-cli/src/main.js
@@ -20,6 +20,10 @@ function initCommander() {
     "force mode, can be remote, cache or both (default)",
     argv.parseForce);
 
+  commander.option("-e, --env [string]",
+    "poosh environment key",
+    argv.parseEnv);
+
   commander.option("-v, --verbose",
     "get more detailed output on every files",
     (v, total) => total + 1,
@@ -57,7 +61,7 @@ export default async function main() {
     .addOptions(commander.readonly ? { readonly: commander.readonly } : null)
     .addOptions(commander.force ? { force: commander.force } : null);
 
-  let options = optionManager.getNormalized();
+  let options = optionManager.getNormalized(commander.env);
   let poosh = new Poosh(options);
 
   let logger;
diff --git a/packages/poosh-core/src/OptionManager.js b/packages/poosh-core/src/OptionManager.js
index e445b8e..eebc45f 100644
--- a/packages/poosh-core/src/OptionManager.js
+++ b/packages/poosh-core/src/OptionManager.js
@@ -10,6 +10,11 @@ import PluginCollection from "./helpers/options/PluginCollection";
 
 const CONF_FILENAME = ".poosh.json5";
 
+function getPooshEnvironment() {
+  // eslint-disable-next-line no-process-env
+  return process.env.POOSH_ENV || process.env.NODE_ENV;
+}
+
 /**
  * Normalize readonly and force options objects.
  *
@@ -124,29 +129,42 @@ export default class OptionManager {
 
   /**
    * Get normalized options, ready to use for Poosh constructor.
+   * @param {string} env Environment
    * @returns Normalized and validated options.
    * @throws Error
    */
-  getNormalized(): Object {
+  getNormalized(env): Object {
 
     let plugins = this._plugins.get();
 
-    // Clone merged raw options
+    // 1. Clone merged raw options
     let options = Object.assign({}, this._options);
 
-    // Make sure MERGED raw options are valid
+    // 2. Environment
+    if (options.env) {
+      env = env || getPooshEnvironment();
+      if (env && options.env[env]) {
+        // 2a. Merge environment specific options
+        Object.assign(options, options.env[env]);
+      }
+
+      // 2b. Cleanup
+      Reflect.deleteProperty(options, "env");
+    }
+
+    // 3. Make sure MERGED raw options are valid
     let error = OptionValidator.validateSync(options, plugins);
     if (error) {
       // TODO: Throw a custom error (eg OptionValidationError)
       throw error;
     }
 
-    // Default values
+    // 4. Default values
     if (!options.concurrency) {
       options.concurrency = 3;
     }
 
-    // Normalization
+    // 5. Normalization
     options.plugins = plugins;
     options.readonly = normalizeCacheRemote(options.readonly);
     options.force = normalizeCacheRemote(options.force);