Market-based approaches to environmental management, such as payment for environmental services (PES), have attracted unprecedented attention during the past decade.

This policy brief calls for investment of 1% of global GDP in energy efficiency of buildings, renewable energy, sustainable transport, ecological infrastructure and sustainable agriculture.According to this, investing about US$750 billion of stimulus monies in the green economy could aid recovery from the economic downturn, create jobs, address poverty, promote achievement of MDG and fight climate

Rising temperatures could reverse the role forests play in mitigating climate change, turning them into net sources of greenhouse gases, reports a new assessment by the International Union of Forest Research Organizations (IUFRO).

Evaluation of programs, either before they are designed or after they are implemented, are increasingly viewed as a critical for learning and improving accountability of public policies.

This handbook is designed to serve as a guide for champions and practitioners engaged in the painstaking task of mainstreaming poverty-environment linkages into national development planning.

Impacts of climate change, in combination with other drivers of global change, are compromising ability to address global economic, security and social priorities. As floods, drought and

This document represents the collective expertise of a diverse group of individuals concerned with ecosystem degradation, and the continuing loss of the services provided by these ecosystems. Attention is given to aquatic ecosystems because of water`s fundamental role as the `blood` of ecosystem structure and functions, and an engine of economic production.

This eighth biennial issue of State of the World

The UNEP Year Book 2009 presents work in progress on scientific understanding of global environmental change, as well as foresight about possible issues on the horizon. The aim is to raise awareness of the interlinkages among environmental issues that can accelerate the rates of change and threaten human wellbeing.