Greenhouse Gas Protocol

The Greenhouse Gas Protocol is the most widely used international accounting tool for government and business leaders to understand, quantify, and manage greenhouse gas emissions. GHG Protocol establishes comprehensive global standardized frameworks to measure and manage greenhouse gas emissions from private and public sector operations, value chains and mitigation actions.

Clean Fleet Management Toolkit
Clean Fleet Management Toolkit

Clean fleet management can reduce the adverse environmental impacts of vehicles, improve their efficiencies, and lower vehicle operating costs. The UNEP-TNT Toolkit for Clean Fleet Strategy Development provides a starting point for organizations which are actively looking for ways to clean up their fleet. It contains tools that aims to enable fleet managers and other interested stakeholders to raise awareness on the impacts of vehicle fleets, assess the impacts of vehicle fleets, understand the actions that can be taken to move towards cleaner fleets, develop a clean fleet strategy, and implement and monitoring action.


Communication is an essential part of air quality management. Effectively communicating air quality information is needed in order to raise public awareness, engage stakeholders, strengthen policies, and change attitudes to influence behavior...

A clean air action plan (or CAAP) intends to improve air quality and protect public health and the environment by enabling the government and different stakeholders to mobilize resources in the most effective and efficient manner to achieve air quality objectives and identify of cost-effective measures against impacts of air pollution.

Air quality governance is the decision-making processes involved in air pollution prevention and control. It assists policy development and implementation, and supports information sharing, accountability mechanisms, and strengthens stakeholder participation in all aspects of air quality management...