The MSCI Global Environment Indices include developed and emerging market large, mid and small cap companies that derive 50% or more of their revenues from products and services in one of five environmental themes: 

• Alternative energy
• Clean technology
• Sustainable water
• Green building
• Pollution prevention
   

The MSCI Global Environment Index is an aggregation of the constituents in each of these five MSCI Environmental Indices: 

• MSCI Global Alternative Energy Index
• MSCI Global Clean Technology Index
• MSCI Global Sustainable Water Index
• MSCI Global Green Building Index
• MSCI Global Pollution Prevention Index

The MSCI Global Climate Index is an equal weighted index consisting of 100 companies that are leaders in mitigating the causes or the impact of climate change. Constituents are selected from the Developed Market equity universe and include small, mid and large cap companies that are leaders in one of three themes: Renewable Energy, Future Fuels, and Clean Technology & Efficiency. Criteria for being a leader include market share, strategic commitment, investment in research and development, intellectual property and reputation. Constituents are added and removed at Quarterly Index Reviews.