在經曆了一系列籌備工作後，bevictor伟德官网雲上暑期學校2021以及SDG馬拉松挑戰賽于6月28日正式啟動。由bevictor伟德官网副教授侯德義帶領的師生團隊主要負責可持續發展馬拉松項目中的第二賽道：環境問題的可持續解決方案。其中來自全球環境人才培養項目的趙琦、張戈輝、孫若水、張翌晨、王淼、楊敬言、徐嘉欣7位同學組成了本賽道的學生運營團隊。在過去的兩天裡，Hack2的同學在工作團隊的協助下完成了破冰、問題提出、組成隊伍等一系列環節，向完成可持續發展馬拉松挑戰賽邁出了堅實的第一步。
After weeks of preparations, the Tsinghua University SSG and SDG Hackathon program officially started on 28 June. A team of students and teachers from the School of Environment were mainly responsible for Hack2: Sustainable Solutions for Addressing Environmental Pollution in the SDG Hackathon. Over the past two days, the Hack2 students have completed a series of ice-breaking sessions, problem formulation and team formation with the assistance of the TA team, taking the first solid step towards completing the Hackathon.
6月28日晚是破冰環節，有着不同文化背景、不同學科背景的同學在破冰環節中表現積極。大家不僅踴躍地介紹自己，還提出了很多令人印象深刻的項目主題，覆蓋了大部分環境領域熱點方向，并和其他學科進行了很好的交叉融合；在各位同學的積極嘗試和助教團隊的引導下，已有多組同學成功組建自己的隊伍，并開始了初步的主題探索。
The evening of 28 June was an ice-breaking session. Students with different cultural and academic backgrounds speak actively in the icebreaker session. Not only did they introduce themselves enthusiastically, they also came up with many impressive project themes, covering most of the hot areas in the environmental field and having good crossover with other disciplines; with the active attempts of all students and the guidance of the teaching assistant team, several groups of students have successfully formed their own teams.
29日晚的内容則主要分為兩部分，首先是老師們的啟發講授環節。侯德義老師首先對可持續發展馬拉松以及Hack2做了總覽性介紹，包括馬拉松活動的主題、目的、形式、日程安排以及考核方式等等。之後，李金惠老師和侯德義老師分别就構建零廢棄物城市和應對土壤污染兩個話題做主旨演講，向學生們介紹了關于這兩方面環境問題的基礎知識背景，并幫助學術開闊思路、獲得靈感。在講授和問答環節結束後，老師們對學生勤于思考和提問的态度表達了肯定，同學們表示從講座中受益匪淺。
The evening of 29 June was divided into two sessions, starting with lectures by the teachers. Prof. Hou, Deyi gave an overview of the SDG Hackathon and Hack2, including the theme, purpose, format, schedule and assessment methods of the Hackathon. Afterwards, Prof. Li, Jinhui and Prof. Hou, Deyi gave keynote speeches on the topics of building a zero-waste city and tackling soil pollution respectively, introducing the students to the background knowledge on these two environmental issues and helping to broaden their minds and ignite inspiration. At the end of the lectures and Q&A sessions, the teachers expressed their appreciation for the students' diligence in thinking and asking questions, while the students also said they had benefited a lot from the lectures.
6月29日晚的另外一部分内容是學生組隊和小組讨論。在29日晚，各小組人員組成已初步成型，并在分工、主題選取、問題發現等工作上取得進展。
Another part of the evening of 29 June was devoted to team formation and group discussions. On the evening of the 29th, the team formation was basically finished and progress was made regarding work division, selection of topics and problem identification.
如，第7組的同學聚焦在“擴展的生産者責任在塑料飲料容器和循環經濟中的作用”這一話題。隊長蔡伯賢同學做了大量的準備工作，因此團隊一開始就可以進入内容層面的讨論。為了更高效的工作，同學們還建立了微信群和Google Drive。助教孫若水密切跟進小組的讨論成果并提供了可能有用的數據庫信息。
Group 7 focused on ‘Extended Producer Responsibility for Plastic Beverage Containers and Circular Economy’. Team leader Edward has done great preparation work and the team dived into the content quickly. For better communication, a WeChat group and a Google Drive were established for convenience. TA Ternence kept close track with their work and provided datasets they may need.
在第10組中，具有不同知識背景的同學們在短時間内通過搜集資料，查閱文獻，做到了快速了解自己所感興趣項目的，并能夠将較廣闊的研究範圍聚焦到某一典型河流，一起探讨，隊長Yi Lin在相關數據網站找到所需要的數據資料，組内同學各自發表觀點看法，迅速搭建出研究框架，推進接下來的工作。
Students with different background knowledge got a general understanding of the theme they interested in in a short period of time by collecting information, literature. In addition, they quickly focused their broad research scope to a certain river, discussed together. Yi Lin, the team leader, found the required data on the relevant data websites. The students in the group expressed their opinions and quickly built the research framework and promote the following work.
在未來的7天中，各個小組仍需完成聽取主題講座、産生創意、階段性彙報等一系列工作，并于7月5日迎來Hack2最終的方案展示。期待在未來看到各個小組的亮眼成果！
Over the next 7 days, the teamsareexpected to go through stages including keynote lectures, generating ideas as well as cross-pitch, and presenting their final proposals for Hack2 on 5 July. We look forward to seeing the teams' impressive results in the future!
