SEI US is a non-profit research organization with offices in California, Massachusetts and Washington state. We conduct research and engage with decision-makers on energy, water and climate policy.
Connect with SEI US
Feature / SEI researchers trained Thai energy planners in LEAP and NEMO as part of the country's efforts to achieve net-zero greenhouse gas emissions by 2065.
Perspective / SEI's Cleo Verkuijl calls for a comprehensive approach to food system reform that supports climate, public health, animal welfare and ecosystems all at once.
Feature / A wide slate of new features makes LEAP easier to use and more comprehensive than ever for energy modelling, policymaking and research.
Perspective / SEI's Charlotte Wagner and Jonathan Green highlight an overlooked issue at the 2024 High-Level Political Forum: pollution's impact on small fisheries.
SEI report / This report explores the financial landscape of renewable energy projects in West and Central Africa, with recommendations on how to maximize success.
Other publication / The 2024 IPBES Transformative Change Assessment details the causes of biodiversity loss and offers principles for the needed transformations to reverse course.
SEI brief / This policy brief introduces a fracking data platform, OBSERVAR, and calls for greater fracking regulation and transparency in Vaca Muerta, Argentina.
SEI brief / This brief summarizes the 2024 solar and wind power policy landscape in Mongolia.
Tool / This web-based platform tracks fossil fuel infrastructure development and enables users to evaluate potential threats to ecosystems and communities.
Design and development by Soapbox.
