17 Best Sustainable Investment Funds Worth Looking at in 2026

13. Invesco Water Resources ETF - Essential Resource Management

The Invesco Water Resources ETF addresses one of the most critical sustainability challenges of our time by investing in companies involved in the conservation and purification of water and related technologies. This specialized fund recognizes that water scarcity and quality issues are becoming increasingly important investment themes as global population growth, climate change, and industrialization put increasing pressure on water resources worldwide. The fund's portfolio includes companies involved in water treatment and purification, infrastructure development, efficiency technologies, and analytical instruments that help monitor and manage water resources. The fund provides exposure to both established water utilities and innovative technology companies developing breakthrough solutions for water management and conservation. In 2026, the fund has benefited from increasing global awareness of water scarcity issues and growing investment in water infrastructure and technology. The fund's focus on water resources positions investors to benefit from the essential nature of water and the growing need for innovative solutions to address water challenges. With the United Nations identifying water scarcity as one of the most pressing global challenges and governments worldwide increasing investment in water infrastructure, this fund provides exposure to companies that are essential to addressing one of humanity's most fundamental needs while generating attractive returns for investors.