Since 2007 , earth hour have shone a spotlight on the issue of climate changes and nature loss . We’ve reached over 190 countries and territories and millions people around the globe ,from asian and Africa ,to north and south American ,oceania and Europe ,to Antarctica we ‘ve spark conversation in English ,Portuguese , zhongwen…… ,we’ve generated hundreds and thousands of media articles and billions of impressions online , but 2023 must be a year of change ,in order to reach our 2030 nature positive goal ,we need more people ,more than ever ,we need individuals ,businesses .communities , towns and cities , entire nations , to join in with earth hour ,to play their part to create the biggest hour for earth .