The Mission of the UNEP:
“To provide leadership and encourage partnership in caring for the environment by inspiring, informing, and enabling nations and peoples to improve their quality of life without compromising that of future generations.”

Focus areas of the UNEP:

Biodiversity, Business & Industry, Chemicals, Civil Society and NGOs, Energy, Environmental Assessment, Freshwater, Governance & Law, Land, Marine & Coastal Areas, Ozone, Sustainable Consumption, Urban Issues

The choices of specific theme areas (from a drop-down menu) are quite wide-ranging:
Art for the Environment, Biodiversity, Business and Industry, Chemicals, Civil Society, Climate Change, Education and Training, Energy, Environmental Assessment, Freshwater, Gender, Governance and Law, Land, Ozone, Post Conflict, Poverty and Environment, Regional Seas, Sports and Environment, Sustainable Consumption, Urban Issues.