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  • Case Studies

    At Bollen Advisors, we deliver innovative solutions to complex infrastructure challenges worldwide.

    Boosting Perak’s economy with a cable-stayed bridge that cuts travel time and emissions

    Powering 450,000 homes with offshore wind while cutting 1.2 million tons of emissions

    Linking Mumbai to Navi Mumbai in 20 minutes—India’s longest sea bridge transforms connectivity

    Easing NH-4 congestion with a 2.2km flyover, cutting commute times and emissions by 20%

    Transforming water management in Singapore with smart sensors, saving 10 million gallons daily

    Greening NYC with rain gardens and green roofs, capturing 1.5 billion gallons of stormwater yearly

  • Insights

    Our insights page is a hub for cutting-edge ideas, industry analysis and expert perspectives on the future of sustainable infrastructure development.

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    AI in Infrastructure: Beyond Risk Mitigation

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    Green Bonds: Fuelling the Climate Transition or Greenwashing?

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    Urban Resilience: Designing Cities for a 2°C World

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New York City Green Infrastructure Initiative

Greening NYC with rain gardens and green roofs, capturing 1.5 billion gallons of stormwater yearly

Dedicated to delivering progressive change in infrastructure development

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