Dear Colleagues and Friends in HCWH, It is my great pleasure and honor to have this opportunity to commemorate 20th Anniversary of HCWH. In human life cycle, 20-year-old is mostly energetic, visionary, and optimistic. HCWH is now ready to change the world in health and environment arena. I have been working with HCWH for about five years now and am proud to be a part of this excellent organization for protecting the health of people and the planet from adverse environmental changes now and in the near future. I have been impressed by how efficiently and friendly they are working together in regional and global offices. HCWH has been creating “value” which gives us important messages that health care should be environmentally responsible and first do no harm. This messages need to be delivered to all health care professionals all...