Glossary

**UL codes** refer to safety standards developed by Underwriters Laboratories (UL), a global safety certification company. These codes are used to certify that products - including electrical components, batteries, and energy storage systems - meet specific safety, performance, and sustainability requirements.

The **UN Sustainable Stock Exchanges Initiative** is a United Nations partnership programme that works with stock exchanges, securities regulators, investors, companies, and other capital market actors to promote sustainable investment and stronger ESG disclosure. Launched by the UN Secretary-General in 2009, the initiative is organised by UNCTAD, the UN Global Compact, UNEP FI, and the Principles for Responsible Investment. Its mission is to help exchanges and regulators advance responsible...

The **United States Environmentally-Extended Input-Output Model** (USEEIO) is a model developed by the U.S. EPA that links economic activity with environmental data to assess the life-cycle impacts of U.S. goods and services. It covers hundreds of product and industry categories, tracking resources, emissions, and waste to calculate environmental and economic indicators like carbon footprints. USEEIO supports decision-making for sustainability, life cycle assessments, and footprinting.

**Uranium Enrichment** is a crucial process in the realm of nuclear energy and technology. It involves increasing the percentage of the isotope Uranium-235 (U-235) in natural uranium. Natural uranium contains about 0.7% U-235, while the rest is mostly Uranium-238 (U-238). Enrichment boosts the concentration of U-235 to levels suitable for various applications, from 3-5% for nuclear reactors to over 90% for certain types of nuclear weapons. The process of uranium enrichment typically employs...