diff --git a/lib/bcoin/env.js b/lib/bcoin/env.js
index 6bc99d5a..b1808a20 100644
--- a/lib/bcoin/env.js
+++ b/lib/bcoin/env.js
@@ -6,6 +6,7 @@
  */
 
 var utils = require('./utils');
+var global = utils.global;
 var fs;
 
 if (!utils.isBrowser)
@@ -26,16 +27,20 @@ if (!utils.isBrowser)
  *
  * @param {(Object|NetworkType)?} options - Options object or network type.
  * @param {(Network|NetworkType)?} options.network
- * @param {String?} options.prefix - Prefix for filesystem (default=~/.bcoin).
- * @param {String?} options.db - Database backend (default=leveldb).
- * @param {Boolean?} options.debug - Whether to display debug output.
- * @param {(String|Boolean)?} options.debugFile - A file to
+ * @param {String} [options.prefix=~/.bcoin] - Prefix for filesystem.
+ * @param {String} [options.db=leveldb] - Database backend.
+ * @param {Boolean} [options.debug=false] - Whether to display debug output.
+ * @param {String|Boolean} [options.debugFile=~/.bcoin/debug.log] - A file to
  * pipe debug output to.
- * @param {Boolean?} options.profile - Enable profiler.
- * @param {Boolean?} options.useWorkers - Enable workers.
- * @param {Number?} options.maxWorkers - Max size of
- * the worker pool (default=6).
- *
+ * @param {Boolean} [options.profile=false] - Enable profiler.
+ * @param {Boolean} [options.useWorkers=false] - Enable workers.
+ * @param {Number} [options.maxWorkers=6] - Max size of
+ * the worker pool.
+ * @param {String} [options.workerUri=/bcoin-worker.js] Location of the bcoin
+ * worker.js file for web workers.
+ * @param {String} [options.proxyServer=localhost:8080] -
+ * Websocket->tcp proxy server for browser.
+ * @param {Object?} options.logger - Custom logger.
  * @property {Boolean} isBrowser
  * @property {NetworkType} networkType
  *
@@ -189,8 +194,8 @@ function Environment(options) {
   this.useWorkers = null;
   this.maxWorkers = null;
   this.workerTimeout = null;
-  this.proxyServer = null;
   this.workerUri = null;
+  this.proxyServer = null;
   this.logger = null;
 
   this.time = new this.timedata();
@@ -267,8 +272,8 @@ Environment.prototype.set = function set(options) {
   this.network.set(this.networkType);
 
   if (this.isBrowser && this.useWorkers) {
-    this.useWorkers = typeof utils.global.Worker === 'function'
-      || typeof utils.global.postMessage === 'function';
+    this.useWorkers = typeof global.Worker === 'function'
+      || typeof global.postMessage === 'function';
   }
 
   if (this.useWorkers) {
@@ -318,8 +323,11 @@ Environment.prototype.debug = function debug() {
   var args = Array.prototype.slice.call(arguments);
   var msg;
 
-  if (this.logger)
-    this.logger.debug(args);
+  if (this.logger) {
+    if (this.debugLogs)
+      this.logger.debug(args);
+    return;
+  }
 
   if (this.isBrowser) {
     if (this.debugLogs) {
@@ -356,8 +364,11 @@ Environment.prototype.error = function error(err) {
   if (typeof err === 'string')
     err = new Error(err);
 
-  if (this.logger)
-    this.logger.error(err);
+  if (this.logger) {
+    if (this.debugLogs)
+      this.logger.error(err);
+    return;
+  }
 
   if (this.isBrowser) {
     if (this.debugLogs)