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Corporate Sustainability Strategies (CSS) provides expert sustainability strategy development and execution plans that enable clients to improve financial and environmental performance.

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news & articles

BOMI High Performance Building Investments (HP3) Course

BOMI High Performance Building Investments (HP3) Course

The Building Owners & Managers Institute International or BOMI will be presenting their High Performance Sustainable Buildings program.  Brenna Walraven will be teaching and mentoring during these courses. The program consists of three courses: High Performance...

Why Smart-Building Wellness Programs Are Smart

Why Smart-Building Wellness Programs Are Smart

GlobeSt Report - "Walraven says we’re only at the beginning of a massive technological shift in the CRE history, and smart buildings and wellness are just beginning to catch on." Smart-building wellness programs are about employee and tenant comfort, which leads to...

Triple Bottom Line Valuation Methods

Triple Bottom Line Valuation Methods

Urban Land Institute – Responsible Property Investing Council – will be hosting an October 25th panel in Los Angeles on Triple Bottom Line Valuation Methods. Triple Bottom Line Cost-Benefit Analysis (TBL-CBA) is not a new concept, but moving it from the peripheral...

GOBY Executive Assembly & GRESB Results

GOBY Executive Assembly & GRESB Results

On Monday October 2nd, Brenna will be presenting at the 5th Annual Goby Executive Assembly in Chicago! This event is an afternoon experience full of carefully curated content: workshops, presentations and educational sessions brought to you by our team. This is a...

BOMA China Conference September 21 & 22, 2017

BOMA China Conference September 21 & 22, 2017

Holistic approach to energy management and the effect of energy management on asset value Effective management of energy consumption, costs and overall operating costs as for years been considered a best practice.  But in the past ten years, growing research...


A very engaging presentation from Brenna Walraven that highlighted the importance of a strategic approach to the business case for sustainability and high performance operations. Very informative and insightful !!

Catherine Lai

CEO, Albest International Limited