Explore Our Research Publications

Compliance Guideline for Implementation of Efficient Lighting Standards in Africa

This report provides African policymakers and compliance and enforcement officers with comprehensive guidance to implement strong lighting policies in line with global mandates and best practice.

08 Jul 2025

Mepsy Methodology: Model and Approach for Climate Impact Analysis

Take a look behind the scenes and learn more about the calculations, data sources, and assumptions underlying Mepsy, our climate impact calculator.

11 Feb 2025

Net Zero Heroes: Scaling Efficient Appliances for Climate Change Mitigation, Adaptation & Resilience

In this report, CLASP describes the critical role appliances must play in reaching net zero emissions and enabling a just energy transition.

16 Nov 2023

2023 Technical & Economic Assessment of Mercury-Free Lighting: Global Overview & Regional Profiles

A Spotlight on Global Readiness for the LED Future

05 Oct 2023

Getting Appliances Back on Track: Assessing Progress Towards Global Energy Efficiency Commitments

This report tracks the progress of 15 countries who signed onto the Appliance Efficiency Call to Action in 2021 at COP26 in Glasgow, which pledged to double the energy efficiency of four product categories by 2030.

05 Oct 2023

Building Resilience in Low-Income Communities – The Role of Off-Grid Appliances

This report examines community resilience in the context of climate change, focusing on the role of off-grid solar products and equipment in supporting low-income communities in sub-Saharan Africa.

12 Jun 2023

Energy Efficiency in the Favelas

New report reveals insights about the intersection of energy, poverty and efficiency in favelas across Rio de Janeiro.

18 Apr 2023

Water and Energy Justice in the Favelas

CLASP assisted Catalytic Communities in a youth-run research project aimed at training low-income favela residents in the full arc of research, including how to use data to address compounding water and energy crises in Rio.

07 Apr 2023

World’s Best MEPS: Identifying Top Energy Efficiency Standards for Priority Appliances

This report compares the stringency of minimum energy performance standards (MEPS) requirements for the six highest-emitting appliance categories across ten of the world’s highest carbon emitting economies.

20 Dec 2022

Global Lighting Policy Bulletin

This bulletin outlines recently passed national and regional policy developments around the world phasing out fluorescent lighting.

22 Nov 2022

Appliances for All: Assessing the Inclusivity of the Solar Lighting and Appliances Sector

This report examines how well solar lighting and appliances are reaching key populations, and assesses inclusion across solar company employment practices and product offerings.

12 Sep 2022

Webinar Materials | How Mepsy Can Transform Your Energy Efficiency Policy Development

Presentation materials from a webinar demonstration of energy efficiency policy tool Mepsy and its features on 16 March 2022.

21 Mar 2022

21 Mar 2022

2022 Technical & Economic Assessment of Mercury-Free Lighting: Global Overview & Regional Profiles

A Spotlight on Global Readiness for the LED Future

08 Mar 2022

21 Feb 2022

Mercury in Fluorescent Lighting: Unnecessary Health Risks & Actionable Solutions

This report outlines the health risks and environmental impacts of fluorescent lighting, highlights the many compelling advantages of transitioning to LED alternatives, and gives actionable solutions to phase out mercury-added lamps in the United States.

14 Oct 2021

Pennies per Pound: The Return on Investment from Appliance Efficiency Technical Assistance

This report calculates the return on investment of 12 standards and labeling policies and technical assistance efforts spanning four geographic regions.

17 Sep 2021

09 Jul 2021