Sustainability is no longer a choice; it is a long-term survival strategy. And for those willing to take the lead, it offers the greatest economic opportunity of our time.

Who we are

Climate change is an urgent reality, threatening lives, livelihoods, and future prosperity. As nations, corporations and communities face its impacts, the commitment to limit global temperature rise to 1.5°C requires ambitious action and collaboration.

At onepoint5, we are a team of seasoned experts dedicated to empowering both public and private sector clients on their journey toward a sustainable future. With decades of experience and a unique ability to convene key stakeholders, we guide organizations in tackling today’s most pressing climate challenges and seizing new opportunities for innovation and leadership.

Our expertise spans across research, climate risk and opportunity assessments, and strategic stakeholder engagement, enabling us to deliver groundbreaking sustainability solutions. We work closely with clients to align their initiatives with global climate goals while offering hands-on support for the seamless execution of strategies. Whether you’re navigating complex policy landscapes or driving innovation, we’re here to help you stay ahead of the curve and make meaningful progress toward a sustainable future.

Our services

Research and policy briefings

Understand and anticipate developments in the international climate agenda and their likely effects.

Risks & opportunities assessment

Identify the impact of climate-related issues and advise on optimised responses and sustainability strategies.

Stakeholder relations

Facilitate engagement with relevant actors in the climate space and create new opportunities for sustainable development.

Innovative sustainability strategies

Articulate groundbreaking and disruptive initiatives that drive sustainability forward.

Alignment with global pledges and initiatives

Assist governments, companies and other organisations in their efforts to reconcile growth with sustainability, in accordance with international commitments and national policies.

Engagement in multilateral fora

Strengthen our clients’ constructive engagement with the international climate agenda.

What differentiates us

  • We understand the international climate architecture better than most, as we contributed to shape it and whose evolution and implications we study closely.
  • Our approach is firmly grounded on science and the global vision and goals laid down in international instruments on climate and environmental issues.
  • Decades of experience in international affairs have provided us with a solid expertise across sectors and geographies, along with a wide network of contacts, institutions and likeminded experts in sustainability and other related areas.
  • Our team is focused on reconciling the urgent need for ambitious climate action with the equally vital imperative to ensure businesses and economies can continue to prosper.
  • We provide client-specific solutions and a comprehensive end-to-end support, offering actionable strategies with measurable impact.

Our approach

  1. Comprehensive initial consultation and detailed needs assessment
  2. In-depth analysis of organizational context, industry trends, and socio-economic factors
  3. Strategic development of tailored sustainability strategies and detailed actionable plans
  4. Hands-on implementation support and guidance throughout the process
  5. Ongoing monitoring, evaluation, and adaptation for sustainable progress
  6. Long-term partnership and support for achieving lasting impact

Our Story

Inspired by the work of our co-founder, Patricia Espinosa, who is an acknowledged leader in the climate-action space, a group of visionary founders and a team of sustainability specialists came together with the common goal of working to address the climate crisis to protect both people and the planet.

Our team

Patricia Espinosa Cantellano

CEO & Founding Partner

Patricia is a respected leader and influential voice on the global stage, with more than 35 years of experience at the highest levels in the fields of sustainability, multilateralism, global governance, environmental stewardship and gender equality. 

Prior to founding onepoint5, she was the Executive Secretary of the United Nations Framework Convention on Climate Change (2016-2022), leading the transformation of the organization towards supporting the full implementation of the Paris Agreement globally.  

Contact us