Double click on for an index of all diaries For additional information on carbon market and climate policy events, please join the Reuters online carbon community at; here =========================================== ENVIRONMENT RELATED EVENTS WEDNESDAY, APRIL 18 ADDIS ABABA - Africa Carbon Forum 2012 (to Apr. 20). TORONTO, Canada - Public forum on North America's energy future: Powering a Low-carbon Economy for 2030 and Beyond. HORSENS, Denmark - EU energy and the environment Ministers Meeting (informal) (to April 20). SUNDAY, APRIL 22 GLOBAL - Earth Day. MONDAY, APRIL 23 STOCKHOLM - Swedish Government to host Stockholm+40 - An international environmental conference on sustainable development ahead of Rio+20 (to April 25). TUESDAY, APRIL 24 WASHINGTON - Fifth Annual Global Marine Renewable Energy Conference (to April 26). Link: here WEDNESDAY, APRIL 25 LONDON - Clean Energy Ministerial Meeting (to April 27). FRIDAY, APRIL 27 GENEVA - Fifth Meeting of the UNECE (United Nations Economic Commission for Europe) Taskforce on Water and Climate. TUESDAY, MAY 1 YEOSU, South Korea - The Fourth East Asian Seas Congress 2012. KIRKWALL, United Kingdom - Environmental Interactions of Marine Renewable Energy (EIMR) Technologies International Conference (to May 3). Link: www.eimr.org/- MONDAY, MAY 7 LA ROCHELLE, France - 5th Meeting of the Parties to the African-Eurasian Migratory Waterbird Agreement (UNEP/AEWA)(to May 18). WEDNESDAY, MAY 9 GLOBAL - World Migratory Bird Day (to May 10). THURSDAY, MAY 10 BRUSSELS - European Solar Days Interactive Stakeholder Debate "Solar citizens: People in charge of their energy future." MONDAY, MAY 14 BONN, Germany - Bonn Climate Change Conference (to May 25). TUESDAY, MAY 15 ULAN BATOR - 4th ASEM Environment Ministers' Meeting (to May 31). TUESDAY, MAY 22 GLOBAL - International Day for Biological Diversity. BRUSSELS - 12th edition of Green Week, the biggest annual conference on European environment policy (to May 25). FRIDAY, JUNE 1 RIO DE JANEIRO, Brazil - World Congress on Justice, Governance and Law for Environmental Sustainability (to June 3). SUNDAY, JUNE 17 GLOBAL - United Nation's World Day to Combat Desertification and Drought. MONDAY, JUNE 18 EUROPE - European sustainable energy week (to June 22). WEDNESDAY, JUNE 20 RIO DE JANEIRO, Brazil - Earth Summit 2012 (to June 22). RIO DE JANEIRO, Brazil - Peoples' Summit of Rio +20 (to June 21). SUNDAY, JULY 1 CANBERRA - Australia's new Carbon price laws comes into effect. The laws will force Australia's top 500 polluting companies to pay a price on carbon emissions from July 2012. MONDAY, JULY 16 KHABAROVSK, Russia - APEC Meeting of Ministers Responsible for Environment. =========================================== Enquiries to Customer Help Desks -- double click on for telephone numbers. Reuters Diary Desk tel +91 80 66771088, (between 0130 GMT and 1730 GMT) or E -mail: email@example.com or firstname.lastname@example.org. NOTE: The inclusion of diary items does not necessarily mean that Reuters will file a story based on the event.