September 11-26, 2021:The 10th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)

September 6-9, 2021:Participated in the 13th EMECS (Environmental Management of Enclosed Coastal Seas) Conference

August 7-22, 2021:The 9th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)

July 3-18, 2021:The 8th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)

June 1-3, 2021:Participated in the 29th Symposium on Environmental Chemistry (Osaka, Japan)

May 10-24, 2021:The 7th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)

April 2-22, 2021:The 6th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)

February 16-28, 2021:The 5th "Global Warming Prevention Panel Exhibition" (Hiroshima, Japan)