Certification Update
The GPM-b™ is now the Certified Sustainable Project Professional (CSPP™).
As of June 5, 2026, this certification evolved into the CSPP™. Current GPM-b™ holders keep their certification and can upgrade to the CSPP™ at no cost. The information below is retained for reference.
Go to the CSPP™ page → GPM-b™ holder? See the transition FAQ →GPM Certification · Knowledge-Based
GPM-b™
Certified Green Project Manager – Basic™
The Green Standard in Professional Certification
In today’s world, every project has a sustainability impact, and organizations need project managers who understand how to balance business objectives with environmental and social responsibility. The Certified Green Project Manager – Basic is the leading knowledge-based certification for Green Project Management®, equipping professionals with a globally recognized certification that validates their understanding of sustainability principles from inception to closure.
More than just a certification, GPM-b represents a global movement toward better, more responsible project management. It is offered through GPM’s global network of Accredited Training Partners, self-study options, and as part of the Project Management Institute’s certification offerings.
By earning the GPM-b, you will:
| Gain a strong foundation in Green Project Management® principles. |
| Validate your knowledge of sustainability-focused project management methodologies. |
| Learn practical tools to manage sustainability impacts across the entire project lifecycle. |
| Demonstrate your commitment to responsible and ethical project leadership. |
| Deliver sustainability strategy where it matters most, through your projects. |
Why Choose GPM-b?
Who Should Obtain the GPM-b?
Anyone working in or with projects who wants to:
| Integrate sustainability principles into their project management practices. |
| Earn a recognized certification in Green Project Management®. |
| Enhance their qualifications and career prospects in a rapidly evolving field. |
How to Prepare for the GPM-b Exam
Instructor-Led or Online Course, Prepare for the GPM-b exam by enrolling in a course delivered by a GPM Accredited Training Provider. Whether in-person or online, these courses provide practical instruction on applying GPM tools and methods, including the P5™ Standard for Sustainability in Project Management and the GPM Practice Guide.
📌 Practice exams are available for GPM Ambassadors.
Recognition of Prior Learning (RPL)
If you hold a qualifying degree or certification, you are eligible for RPL and can take the short-form exam. You must provide evidence to PMI, Qualifying certifications include:
*from an accredited college or university
Other certifications may qualify with the advance, written approval of GPM’s Director of Certification. For questions or approvals, email our certification board at
GPM-b Exam Structure
The exam is available in two formats.
📌 Certification is valid for five (5) years upon passing the exam.
Earn a certification that sets you apart. Become a Certified Green Project Manager – Basic and be the change you wish to see in the world, because there is no Planet B.
The GPM Certification Board, the governing body for this certification, conforms to the ISO 17024 standard.
For more information, email