In commemoration of Earth Day and together with Mrs. Kartini, the Environmental Science Masters Program carried out several activities, including both academic and practical activities, including: On April 21, 2022 academic activities, namely: Webinar in collaboration with the Board of Professors of the Academic Senate of Diponegoro University (Undip) and the Undip Environmental Science Doctoral Program with the title “Empowering Ecosystems for Sustainable Environmental Recovery” with resource persons Mrs. Kartini from Undip and KLHK, namely:

  1. Prof. Dr. Tri Retnaningsih Subropowati, M.App.Sc Professor of FSM, MIL and DIL SPS with the topic of Empowering Ecosystems in Realizing a Sustainable Environment,
  2. Ir Laksmi Dwanthi, MA, IPU Director General of Climate Change Control, Ministry of Environment and Forestry RI with the topic of Recover Together, Recover Stronger through Sustainable Environmental Recovery Policy and
  3. Dr Hartuti Purnaweni, MPA Lecturer of Fisip, MIL and DIL SPS Undip with the topic of Ecosystem-Based Development Policy

and as a form of love for the Earth which is getting older with the number of trees decreasing, the Environmental Science Masters Student Association (HMMIL) which is commanded by Hasti Saputra with friends and establishes relations with the related services, namely the Semarang City Environment Service Coordinator Agus Sumartono, Pelindo , Jagad Panguripan and PT Sema Elektra Sejahtera together on Friday, April 22, 2022, on Earth Day at Raden Saleh Park in the Tegalsari City Forest, Semarang, planted the Trembesi (Samanea Saman) Rain Tree, 250 rain trees also known as rain trees. or ki rain because it has the ability to absorb strong ground water, so that the canopy often drips with water, then to support water absorption so that rainwater is stored, it is continued by making Biopri and ends with a talkshow and ends with an Iftar event.