likewise insurance companies direct allocations to infrastructure projects remain in the billions of dollars compared with total industry assets of around usd trillion that said institutional investor interest in the clean energy sector is starting to develop and they are slowly starting to be attracted to climate change and resource efficiencyrelated financial products which can help finance projects with a positive environmental impact while remaining appealing from a financial return perspective some of the world s leading pension funds and insurance companies have already made significant investments and future commitments to clean energy projects there are multiple barriers to infrastructure investing