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The year 2023 marked a concerning milestone in climate history with the global average temperature being 1.45 ± 0.12°C above the pre-industrial average. The Global Stocktake at COP28 showed that the projected temperature rise is expected to be between 2.1 - 2.8°C even if nationally determined contributions (NDCs) of all countries are fully achieved...

拡大する世界の森林火災

多国間プロセスにおける脱炭素と循環経済の関連性についてUNFCCCやASEAN タクソノミー等の事例をもとに解説

This study aims to investigate how urban residents interact with Urban Green Spaces (UGSs) in Nagpur, India, specifically focusing on the patterns of visitation and engagement. Data were collected via a face-to-face questionnaire survey using the Survey 123 app. The analysis included interaction (types of UGSs, visitation frequency, and UGS...

IGES's Hotta presented on Japan's marine plastic waste countermeasures and policies at an international conference on marine plastic pollution hosted by Ocean Conservation Administration in Taiwan. This conference featured contributions from government officials and experts from Japan, the United States, and Republic of Korea, primarily focusing on...

日本語訳：Enabling the energy transition Mitigating growth in material and energy needs, and building a sustainable mining sector- IRP Co-Chair Opinion Piece 英語オリジナル版URL：https://www.resourcepanel.org/reports/enabling-energy-transition

Urbanization has affected the economy, ecosystem, and human health. In addition to these direct and physical impacts, urbanization is suggested to affect our preferences and valuation with respect to nature, including people’s perceived values of nature and human–nature connectedness (HNC). Perceived values of nature and HNC are essential for...

季刊『環境ビジネス』2024年秋号の特別企画「環境リテラシー・環境政策」 「日本でのまっとうな気候・エネルギー政策を求めて」

During the Sea of Solutions 2024 organized by COBSEA and UNEP, Hotta presented about the lessons learned on Plastic Leakages in Southeast Asia based on its involvement to ERIA RKC-MPD and JAIF project to support National Action Plan Development.

Using the available information sources and an econometric approach for the time series dataset, this study tests the price volatility of the national carbon market, and identifies the interactions between electricity, carbon and fossil fuel prices in China. The result confirms an overreaction of carbon market prices to the considered events. There...