diff --git a/ble/GattCharacteristic.h b/ble/GattCharacteristic.h
index 2e27c19..37d745f 100644
--- a/ble/GattCharacteristic.h
+++ b/ble/GattCharacteristic.h
@@ -57,6 +57,7 @@ public:
         UUID_HEART_RATE_MEASUREMENT_CHAR                  = 0x2A37,
         UUID_HID_CONTROL_POINT_CHAR                       = 0x2A4C,
         UUID_HID_INFORMATION_CHAR                         = 0x2A4A,
+        UUID_HUMIDITY_CHAR                                = 0x2A6F,
         UUID_IEEE_REGULATORY_CERTIFICATION_DATA_LIST_CHAR = 0x2A2A,
         UUID_INTERMEDIATE_CUFF_PRESSURE_CHAR              = 0x2A36,
         UUID_INTERMEDIATE_TEMPERATURE_CHAR                = 0x2A1E,
@@ -67,6 +68,7 @@ public:
         UUID_UNREAD_ALERT_CHAR                            = 0x2A45,
         UUID_NEW_ALERT_CHAR                               = 0x2A46,
         UUID_PNP_ID_CHAR                                  = 0x2A50,
+        UUID_PRESSURE_CHAR                                = 0x2A6D,
         UUID_PROTOCOL_MODE_CHAR                           = 0x2A4E,
         UUID_RECORD_ACCESS_CONTROL_POINT_CHAR             = 0x2A52,
         UUID_REFERENCE_TIME_INFORMATION_CHAR              = 0x2A14,
@@ -81,6 +83,7 @@ public:
         UUID_SUPPORTED_NEW_ALERT_CATEGORY_CHAR            = 0x2A47,
         UUID_SUPPORTED_UNREAD_ALERT_CATEGORY_CHAR         = 0x2A48,
         UUID_SYSTEM_ID_CHAR                               = 0x2A23,
+        UUID_TEMPERATURE_CHAR                             = 0x2A6E,
         UUID_TEMPERATURE_MEASUREMENT_CHAR                 = 0x2A1C,
         UUID_TEMPERATURE_TYPE_CHAR                        = 0x2A1D,
         UUID_TIME_ACCURACY_CHAR                           = 0x2A12,
@@ -93,7 +96,7 @@ public:
         UUID_CSC_FEATURE_CHAR                             = 0x2A5C,
         UUID_CSC_MEASUREMENT_CHAR                         = 0x2A5B,
         UUID_RSC_FEATURE_CHAR                             = 0x2A54,
-        UUID_RSC_MEASUREMENT_CHAR                         = 0x2A53,
+        UUID_RSC_MEASUREMENT_CHAR                         = 0x2A53
     };
 
     /**************************************************************************/
diff --git a/ble/GattService.h b/ble/GattService.h
index f3d3b85..d2ff649 100644
--- a/ble/GattService.h
+++ b/ble/GattService.h
@@ -29,6 +29,7 @@ public:
         UUID_CURRENT_TIME_SERVICE           = 0x1805,
         UUID_CYCLING_SPEED_AND_CADENCE      = 0x1816,
         UUID_DEVICE_INFORMATION_SERVICE     = 0x180A,
+        UUID_ENVIRONMENTAL_SERVICE          = 0x181A,
         UUID_GLUCOSE_SERVICE                = 0x1808,
         UUID_HEALTH_THERMOMETER_SERVICE     = 0x1809,
         UUID_HEART_RATE_SERVICE             = 0x180D,
diff --git a/ble/services/EnvironmentalService.h b/ble/services/EnvironmentalService.h
new file mode 100644
index 0000000..61d9b3e
--- /dev/null
+++ b/ble/services/EnvironmentalService.h
@@ -0,0 +1,102 @@
+
+#ifndef __BLE_ENVIRONMENTAL_SERVICE_H__
+#define __BLE_ENVIRONMENTAL_SERVICE_H__
+
+#include "ble/BLE.h"
+
+ /**
+* @class EnvironmentalService
+* @brief BLE Environmental Service. This service provides the location of the thermometer and the temperature.  <br>
+* Service:  https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml <br>
+* Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml <br>
+* Humidity: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml <br>
+* Pressure: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.pressure.xml
+*/
+class EnvironmentalService {
+public:
+    /**
+     * @brief   EnvironmentalService constructor.
+     * @param   ble Reference to BLE device.
+     * @param   temperature_en Enable this characteristic.
+     * @param   humidity_en Enable this characteristic.
+     * @param   pressure_en Enable this characteristic.
+     */
+    EnvironmentalService(BLE &_ble,
+                         bool temperature_en = false,
+                         bool humidity_en = false,
+                         bool pressure_en = false) :
+        ble(_ble),
+        temperatureCharacteristic(GattCharacteristic::UUID_TEMPERATURE_CHAR,
+                              (uint8_t *) &temperature,
+                              (temperature_en) ? 2 : 0, // minLength
+                              (temperature_en) ? 2 : 0, // maxLength
+                              GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+        humidityCharacteristic(GattCharacteristic::UUID_HUMIDITY_CHAR,
+                              (uint8_t *) &humidity,
+                              (humidity_en) ? 2 : 0, // minLength
+                              (humidity_en) ? 2 : 0, // maxLength
+                              GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+        pressureCharacteristic(GattCharacteristic::UUID_PRESSURE_CHAR,
+                              (uint8_t *) &pressure,
+                              (pressure_en) ? 4 : 0, // minLength
+                              (pressure_en) ? 4 : 0, // maxLength
+                              GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)
+        {
+        static bool serviceAdded = false; /* We should only ever need to add the information service once. */
+        if (serviceAdded) {
+            return;
+        }
+
+        GattCharacteristic *charTable[] = { &humidityCharacteristic,
+                                            &pressureCharacteristic,
+                                            &temperatureCharacteristic };
+
+        GattService environmentalService(GattService::UUID_ENVIRONMENTAL_SERVICE, charTable,
+                                                     sizeof(charTable) / sizeof(GattCharacteristic *));
+        
+        ble.gattServer().addService(environmentalService);
+        serviceAdded = true;
+    }
+
+    /**
+     * @brief   Update humidity characteristic.
+     * @param   newHumidityVal New humidity measurement.
+     */
+    void updateHumidity(uint16_t newHumidityVal)
+    {
+        humidity = (uint32_t) (newHumidityVal*100);                
+        ble.gattServer().write(humidityCharacteristic.getValueHandle(), (uint8_t *) &humidity, 2);
+    }
+
+    /**
+     * @brief   Update pressure characteristic.
+     * @param   newPressureVal New pressure measurement.
+     */
+    void updatePressure(uint32_t newPressureVal)
+    {
+        pressure = (uint32_t) (newPressureVal*10);        
+        ble.gattServer().write(pressureCharacteristic.getValueHandle(), (uint8_t *) &pressure, 4);
+    }
+
+    /**
+     * @brief   Update temperature characteristic.
+     * @param   newTemperatureVal New temperature measurement.
+     */
+    void updateTemperature(float newTemperatureVal)
+    {
+        temperature = (int16_t) (newTemperatureVal*100);
+        ble.gattServer().write(temperatureCharacteristic.getValueHandle(), (uint8_t *) &temperature, 2);
+    }
+
+private:
+    BLE &ble;
+
+    int16_t temperature;
+    GattCharacteristic temperatureCharacteristic;
+    uint16_t humidity;
+    GattCharacteristic humidityCharacteristic;
+    uint32_t pressure;
+    GattCharacteristic pressureCharacteristic;
+};
+
+#endif /* #ifndef __BLE_ENVIRONMENTAL_SERVICE_H__*/
\ No newline at end of file