[Your Name]
[Your Address]
[City, Zip Code]
[Email Address]
[Date]

Volunteer in Vietnam
[Organization’s Address]

Dear Sir/Madam,

I hope this letter finds you well. I recently came across your advertisement regarding the environmental volunteer program in Vietnam, and I am very interested in learning more about the details.

Could you please provide me with information about the program's specific activities? I would like to understand how volunteers can contribute to protecting the environment and promoting energy-saving practices in local communities. Additionally, I am curious about the duration of the program, the application process, and any necessary qualifications or skills required to participate.

I am particularly passionate about environmental conservation and would love to be part of initiatives that educate local residents on sustainable practices. Any further information you can provide would be greatly appreciated as I consider this opportunity.

Thank you for your time and assistance. I look forward to your response.

Sincerely,
[Your Name]