Core Viewpoint - The "ChangeNow" expo in Paris commemorates the 10th anniversary of the Paris Agreement, highlighting global cooperation in sustainable development and climate action [1][5]. Group 1: Key Participants and Statements - Laurent Fabius, President of the Paris Climate Conference, emphasized China's significant role in achieving the Paris Agreement and expressed hope for continued collaboration with Europe and other nations [2]. - Diana Urge-Vorsatz, Vice-Chair of the IPCC, acknowledged China's advancements in solar power, noting a 90% cost reduction over the past decade, and highlighted China's leadership in various climate action areas [2][3]. - Usama Faqihah, Saudi Arabia's Deputy Minister of Environment, pointed out the strategic partnership between Saudi Arabia and China, particularly in combating desertification and water resource management [3]. - Agnès Pannier-Runacher, French Minister for Energy Transition, recognized China's proactive measures in climate change and its leadership in ecological and energy transitions [3]. Group 2: Expo Overview and Participation - The "ChangeNow" expo gathered over 1,000 exhibitors from more than 140 countries, including Chinese companies focused on environmental materials, and featured over 500 speakers sharing sustainable development technologies and ideas [5]. - The event attracted more than 40,000 attendees and over 1,200 investors, discussing opportunities for global green transition economies [5].