THE ALPHABET GAME (E)

Welcome back to the Daily Vitamin everyone! I hope you had an excellent weekend. 

This week we are continuing our 2022 Alphabet Game with another challenge. Remember the prizes that you can win.

Prize #1: A six-month General-English online course valued at 230.00€. It includes the initial level test, guidance with an online tutor, telephone contacts and written tutorials.

Prize #2: a three-month 'English-for-Work' online course valued at 120.00€. It includes the initial level test, guidance with an online tutor, telephone contacts and written tutorials. The winner can choose the type of course they prefer (English for Meetings; Making Presentations; Negotiating and Selling; Banking and Finance; Telephoning; Dealing with the Public; Writing; Applying for a Job; or Travelling).

Prize #3: a Tronsmart T6 Mini portable Bluetooth Speaker, valued at 35.00€.

Here is today's sentence. Its missing word begins with the letter E.

Sentence: Spain has begun to promote more e_____-_____ tourism. It's good for the environment, and it's good for the economy.

HINT 1: The expression is a hyphenated; it includes two words. 
HINT 2: It refers to products, actions and services that are not harmful to the environment.

As always, please give us your answer on Facebook or Twitter. We will provide the correct answer later. We will also include the answer in the next Daily Vitamin email. 

Thank you and have a great day.