विश्वशान्ति की प्रगति और इस विषय में जनता में जागरूकता बनाने के लिए परमहंस स्वामी महेश्वरानंदजी ने विश्वभर के धर्मिक गुरुओं और जननेताओं के बीच सम्वाद करवाये हैं और धर्म एवं जनता के प्रतिनिधियों के साथ विश्वशान्ति के लिये प्रार्थनाएँ आयोजित की हैं । स्वामीजी अन्तर्राष्ट्रिय सम्मेलनों और सभाओं में लगातार सक्रियता से भाग लेते रह्ते हैं।2007
- International World Peace Summit – The Message of Sri Swami Madhavananda and Mahatma Gandhi, Bratislava, Czech Republic
2008
- Meeting with Religious Leaders in Melbourne, Sharing the Wisdom of Religious Traditions
- 7th International World Peace Summit 2008, Wellington, New Zealand, 29 March
- Celebrations of 20 Years of Yoga in Daily Life in Slovenia. Meetings with Mayors of Ljubljana, Novo Mesto, Maribor, Domzale, Piran/Portoroz and Celje. Planting Peace Trees in Novo Mesto, Domzale, Portoroz and Celje.
- Inauguration of the 1st Embassy of India in Slovenia;
- Meeting with Minister of Environment of the Slovak Republic
- Meeting with Mayors of European capital cities and religious celebreties, by invitation of the Mayor of Ljubljana
- Keynote speaker at 7th International Conference on Peace and Nonviolent Action, by Anuvrat Global Organization (Anubhiva),Jaipur
- Award with the title Ambassador for Peace by the Interreligious and International Federation for World Peace, in the presence of the UN Chapter of California, Los Angeles represented by Mrs. Norma Foster.
- Honoured by a Certificate of Recognition for his worldwide work to promote global peace, protection of the environment and religious tolerance, as an International Peace Ambassador, by Mr. Antonio Villaraigosa, Mayor of Los Angeles and the Council of Los Angeles
- Interfaith Gathering at ringing of the World Peace Bell in celebration of the Peace Week in Los Angeles
- Planting a World Peace Tree with Fred Segal at Canyon Peace Park
- Planting a World Peace Tree in Augarten Vienna with the Ambassador of India, H. E. Kumar, the Head of the 2nd Vienna District, Mr. Kubik, and Father Albert, Parish of Donaucity
- Meeting with the President of Croatia, Stjepan Mesic and with Mrs. Holjevac, President of the Zagreb City Assembly
- Inauguration of a Memorial Stone at the World Peace Tree in Bratislava (planted in 2007), and opening of Bratislava Ashram of Yoga in Daily Life in presence of the Ambassador of India, H. E. Mrs. Homai Saha and the Mayor of the Petrzalka District, Mr. Ftacnik
- Planting a “World Peace Tree“ at Vysehrad, Prague with the Ambassador of India, H. E. Srivastava and Czech cultural, religious and political leaders
- Speaker at the 7th Conference of Peace and Non-Violent Action, launched by Anuvibha, Jaipur
2009
- Keynote speaker at the Conference on Ayurveda and Yoga, Sydney, Australia,
- Officially honoured by the Prefect and the Mayor of Salzburg
- Planting a World Peace Tree in Linz, capital of Upper Austria
- International World Peace Summit – The Message of Sri Swami Madhavananda and Mahatma Gandhi, Szombathely, Hungary
- Planting a World Peace Tree in Maribor, Republic of Slovenia