39 Important Sustainability Events, Social Entrepreneurship Events and Impact Investing Events(2023)


As the name suggests, these Sustainability events, Social Entrepreneurship events and Impact Investing events were created with the aim of bringing together individuals and organizations to discuss ways to create positive social change.

Attendees typically include Causeartists, Social Entrepreneurs, Impact Professionals and Impact Investors from a variety of sectors, including business, government, nonprofits, and academia.

We are excited to put together this list of events and conferences for all the Causeartists around the world. If we missed an event, please let us know about it and we will add it here. Thanks.

Biofabricate Summit

Paris, France | October 4-6

Known as the intersection where design merges with biology, Biofabricate invites individuals to join the premiere event of the biomaterial revolution and become acquainted with the new pioneers shaping the industry.

Over the course of three days, attendees will immerse themselves in a world of concepts, prototypes, products, and valuable networking opportunities.

Produced by visionaries in the field, the Biofabricate Summit serves as the ultimate convergence point for the realms of biotechnology and creative endeavors.

With a strong focus on design, the event centers around product-oriented domains such as fashion, sport, beauty, mobility, and architecture.

The highly anticipated 2023 event spans three immersive days, offering a deep dive into showcasing the next wave of bio-innovators while gleaning valuable insights from established players in the field. Learn more

See Change Sessions

Burlington, VT | March 7-9

This isn’t a conference, retreat, festival, or even the dreaded “un-conference.” It’s a 1-of-a-kind experience built to help you drop out and tune in to what matters. Join incredible people who think differently than you to jam together on global issues, challenge outdated ideas (while you re-frame your own), and have a s#*t ton of fun.

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World Green Infrastructure Congress

Berlin, Germany | June 27-29

The World Congress on Green Buildings 2023 is set to be an excellent three-day event consisting of five parallel sessions that explore various aspects of green buildings, including roof, façade, and interior greening, alongside associated topics such as urban climate, rainwater management, sustainability, and the city of the future.

Attendees will have the opportunity to participate in two days of engaging congress sessions, followed by an exhilarating day of excursions.

The congress will commence with opening greetings delivered by Klara Geywitz, the Federal Minister for Housing, Urban Development, and Building, and Dr. Silke Karcher, the Permanent Secretary of the Berlin Senate Department for the Environment, Urban Mobility, Consumer Protection, and Climate Action.

The event will also feature keynote speeches by renowned figures such as German architect Christoph Ingenhoven, French botanist Patrick Blanc, and online reporting from WOHA Architects in Singapore, who will share insights into their projects.

Furthermore, the congress will host 100 speakers and 50 exhibitors on current topics related to roof, facade, and interior greening, organized into five parallel series of lectures scheduled for June 27-28, 2023. Learn more

Sustainable Fashion Forum Conference

The 7th annual Sustainable Fashion Forum Conference is your chance to dive deep into the complexities of ethical fashion. From April 21-22nd, join leaders and innovators from all areas at Portland’s event hot spot – exploring how sustainability comes together with business ethics, culture and regional barriers in fashion’s intricate supply chain.

Connect with individuals across various industries for unique insight seldom found beyond industry silos! Come learn innovative solutions which balance economic challenges while considering a global perspective – this rare forum promises invaluable experiences not soon forgotten.

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The GIIN Investor Forum


The GIIN Investor Forum - Sustainability Events, Social Entrepreneurship Events and Impact Investing Events

The GIIN Investor Forum is the largest in-person global gathering of impact investors.

The Forum has a strong reputation for presenting delegates with the opportunity to build relationships, discover opportunities, share insights about new strategies, learn the latest industry developments, and explore ways to drive continued momentum and growth in the market.

Impact investing is reshaping the future of financial markets as increasingly people are considering the societal and environmental impact of their investments in addition to their financial returns.

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Scottsdale, Arizona // Feb 14 – 16

GreenBiz 23, is an amazing gathering of 1,800 sustainable business leaders, that deliver the insight and inspiration you need to accelerate change — and your career.

Join the vibrant GreenBiz 23 community of professionals—including experts, peers and new voices alike — to make meaningful progress toward a more sustainable world.

Listen to innovative keynote speakers while connecting with like-minded people during invaluable breakout sessions, so you can develop smart solutions for achieving net zero emissions, promoting circularity and justice in society as well protecting Nature’s diversity.

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World Forum on Urban Forests

Washington DC // October 16-20

Urban forests and green spaces are essential components in fostering sustainable, resilient cityscapes. They contribute a myriad of environmental benefits to cities around the world while helping them move closer towards achieving SDG11: making urban environments safe, robust and uninhibited by their diversity.

The Forum will champion exemplary planning practices that have optimized these green features for economic growth, conservation goals and public engagement – emphasizing the importance of well-maintained urban ecosystems for lasting social stability.

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Climate Week

New York City // September 18 – 24

Helen Clarkson addresses the Climate Week NYC Opening Ceremony in 2022

Fifteen years since its inception, Climate Week NYC is now the world’s leading event for those removing barriers to effective climate action. The most influential actors from government, private enterprise and non-profit organizations meetings at this year’s gathering alongside representatives of the United Nations General Assembly with an ambitious agenda – all in service of creating tangible progress towards a healthier planet.

Climate Week NYC is a great chance to join a global movement and take action against climate change. Celebrate solutions, challenge ourselves to do more, and explore ways we can increase ambition – all while connecting with like-minded people at the biggest climate event on Earth.

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Aspen Ideas Festival – Climate 23

Miami Beach, FL // March 6-9

Aspen Ideas: Climate is a solutions-focused event designed for the public to interact with and learn from climate leaders whose ideas and actions are critical to address our collective future.

The Aspen Institute is uniting an extensive collection of stakeholders to participate in a groundbreaking event, Aspen Ideas: Climate 2023. From policymakers and scientific experts to inventors, innovators, artists and young leaders – individuals from all walks of life will be brought together on March 6th-9th for this multi-day occasion that features programming indoors and outdoors.

Attendees can look forward to engaging breakout/roundtable sessions along with opportunities for exploration through local attractions around Miami Beach as well as fashion exhibitions, art installations and food & music activities.

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World Ocean Summit

Lisbon, Portugal // February 27th – March 1st

The World Ocean Summit is an annual global event bringing together the widest cross-section of the ocean community from business and finance to governments, national and international policy-makers, civil society and academia.

Economist Impact will celebrate the 10th anniversary with the return to a physical event in Lisbon, Portugal, a city (and country) at the forefront of sustainable ocean thinking and practice.

The summit is designed to inspire bold thinking and new partnerships, and to trigger effective action to develop a sustainable ocean economy. It aims to change the way business is done in the ocean.

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Sustainable Brands 23

San Diego, CA // October 16-19

Sustainable Brands 23

SB’23 is bringing brand, business and sustainability professionals from across the globe to learn and share how to leverage sustainability, drive innovation and create value for their organizations.

For over 14 years, Sustainable Brands have been empowering business leaders to unlock value by using social and environmental issues as prime catalysts for brand innovation and positive influence.

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Green Tech Festival(GTF)

Berlin, Germany // June 14-16

Photo credit: NICOLAS OSWALD

A pioneering extended festival concept welcomes visitors from all over the world on-site, digitally, and online 365 days a year with acclaimed speakers, top exhibitors and a star-studded gala awards ceremony.

GTF creates an inspiring space for people, ideas, innovations, companies and organizations that change the world for the better.

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North American Carbon World (NACW)

Anaheim, CA // March 21-23

As a preeminent event for carbon professionals, the North American Carbon World (NACW) conference will celebrate its 20th-year milestone with NACW 2023.

Attendees can expect to gain valuable insights on critical topics such as newly available investment options and oversight rules that guide market dynamics.

Additionally, ample opportunities are provided to connect and collaborate while exploring international possibilities in light of climate policy considerations like social justice initiatives within the industry’s evolving landscape.

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Land & Carbon Lab’s 2023 Summit

Land & Carbon Lab’s 2023 Summit is a global conference for policy makers and practitioners harnessing geospatial data and monitoring to advance land sustainability solutions for this decade’s climate, nature, and development goals. 

This 2023 Summit is an exceptional opportunity to join a diverse, global community of policymakers and practitioners striving for sustainable solutions.

By unifying stakeholders at the frontiers of data technology with those providing first-hand management experiences, this premier conference will advance land sustainability initiatives in alignment with climate, nature, and development objectives.

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Solve at MIT is a groundbreaking experience that convenes the Solve community and global leaders in social impact to collaborate on solutions for pressing societal issues.

Attendees will have opportunities to network, form strategic partnerships with similarly-minded people and organizations, learn about the 2023 Global Challenges initiative, which provides an open platform where innovators can submit tech-based ideas or products striving towards a better world.

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Collaborative 2023

Philadelphia, PA // June 7-8

Collaborative 2023 -  Sustainability Events, Social Entrepreneurship Events and Impact Investing Events

Collaborative by Classy is a two-day conference that brings together forward-thinking nonprofit professionals and social sector experts to uncover the ideas and strategies necessary to propel our industry forward and unlock the world’s generosity.

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Sustainability Live

London, UK – September 6-7

Get ready to embrace change and innovation as Sustainability LIVE London makes its highly anticipated return to the esteemed Business Design Centre.

This transformative event will gather the most influential figures across industries to engage in dynamic conversations that drive the agenda for a more sustainable world.

With a diverse audience of over 3,500 attendees participating both in person and virtually, this two-day hybrid learning and networking experience promises to be truly impactful.

Featuring an impressive lineup of 70+ internationally acclaimed speakers and two conference stages, attendees can expect thought-provoking discussions and insights. Additionally, there will be eight sustainability industry workshops providing practical knowledge and solutions. Learn more

World Forum on Urban Forests

Washington DC – October 16-20

The 2nd edition of WFUF will take place in Washington DC, from 16 to 20 October 2023.  The overall theme will be: Greener, Healthier and Happier Cities for All. This theme was chosen to highlight the importance of building inclusive and accessible cities where the goods and services of urban forests and trees are universally available.

The aim of the Forum is to continue to highlight positive examples of planning, design and management approaches that cities with diverse cultures, forms, structure and histories have implemented to optimize the contribution that urban forests and green infrastructure can provide in terms of economic development, environmental conservation and resilience, improved social cohesion, and increased public involvement.

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Seattle, WA // June 5 – 7

Accelerating the Circular Economy

As the leading convening of professionals building the circular economy, Circularity 23 offers thought-provoking keynotes, actionable breakouts, a solutions-oriented expo and unparalleled networking opportunities.

Join the growing community of visionaries and practitioners to move beyond incremental action, catalyze systems change and accelerate the circular economy.

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Regens Unite

Berlin, Germany // September 16 – 17

Regens Unite brings together regenerative thinkers and doers in DAOs, ReFi, DeSci, Platform Coops, Purpose Orgs, Climate Activism, and Art to co-create & share projects, knowledge, food, kindness and hope.

Regens Unite is a fresh way of gathering a widely sourced group of people who are working on regenerative solutions for themselves, for communities, and for our planet. Its focus is on connecting meaningfully with each other to learn and grow resilience.

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One Young World Summit

Belfast, October 2-5

One Young World Summit

The annual One Young World Summit brings together the most brilliant young leaders from over 190 countries and 250+ organizations who are dedicated to driving social impact at an accelerated pace.

Over the course of four transformative days, delegates engage in thought-provoking speeches, interactive workshops, and valuable networking opportunities.

Respected figures in politics, business, and humanitarian fields, including President Mary Robinson, Didier Drogba, and Professor Muhammad Yunus, provide guidance and mentorship throughout the Summit.

Upon completion of the Summit, delegates graduate as One Young World Ambassadors, equipped with the resources and inspiration to create positive change within their workplaces and communities.

Since its inception in 2010, One Young World Ambassador projects have already touched the lives of over 35.8 million people, reflecting the significant impact of this global initiative. Learn more

The Net Zero Conference

Los Angeles, CA // September 14

For a decade, The Net Zero Conference has been bringing together climate leaders to build a net zero, decarbonized future.

1,500 attendees from 53 countries and 45 U.S. states spanning all industries

World-class speakers from multidisciplinary backgrounds have held our conference stage. Previous Keynote speakers from XPRIZE, Edison International, NASA, Seventh Generation, Zero Hour, the U.S. Green Building Council (USGBC), and more.

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World Water Week 2023

Stockholm, Sweden // August 20-24

World Water Week 2023 is focused on innovation at a time of unprecedented challenges. The theme Seeds of Change: Innovative Solutions for a Water-Wise World invites us to rethink how we manage water. Which ideas, innovations, and governance systems will we need in a more unstable and water scarce world?

World Water Week is the leading conference on global water issues, held every year since 1991. A non-profit event, co-created with leading organizations, World Water Week attracts a diverse mix of participants from many professional backgrounds and every corner of the world.

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Agents of Change Summit

San Diego, CA // March 6 & 7

The Agents of Change Summit explores the science of behavior change through the best research and compelling case studies.

The Summit, based in San Diego, engages innovators from the community of professionals using marketing and technology to change people’s health behaviors for social good.

Attendees participate in keynote speeches, interactive workshops, and breakout sessions that help strengthen behavioral change strategies.

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Mexico Carbon Forum

Mexico Carbon Forum is the premier event for those with a vested interest in the country’s carbon market. Attend and connect directly with leading experts from almost every affected domain, including governments, multilateral financial institutions, green finance groups and academia.

Learn more about projects through price analyses and methodologies while making powerful connections across government bodies, investors of all sizes as well as project owners & buyers to gain an invaluable overview into this ever-evolving sector.

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Nonprofit Technology Conference

Denver, Colorado // April 12–14

The Nonprofit Technology Conference is an annual membership organization conference that explores technology and technology strategies. Members of this conference are dedicated to technological advancement, sharing knowledge, vigorous research, and constant industry analysis.

The conference has over 2,000 professionals from around the world represented and over 100 sessions of technology based exercises and talks.

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Boston, MA // June 26 – 28


Despite ESG frameworks and rankings’ imperfections, they are impacting billions of investments. And, hundreds of trillions more are needed to realize a just transition to a decarbonized global economy.

GreenFin 23 will convene an influential audience of finance, investment and sustainability professionals to share insights, address key challenges and showcase leading sustainable financial products and services.

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Bloomberg Sustainable Business Summit

Singapore // July 26

Be part of the conversation on sustainability as business and financial leaders from around the world come together to discuss innovative ideas for a greener future.

Learn about strategies, like mitigating risk and promoting climate resilience, that can help bring us closer to true sustainability.

Get an insider’s look at green finance trends, understand how we measure our progress toward responsible growth, hear stories of successful stakeholder collaborations- all at this global Sustainable Business Summit.

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San Francisco, CA // October 23-25, 2023


The Social Capital Market Conference is an event that explores solving global issues through market— based solutions.

Every year the conference is held in San Francisco, and brings together a variety of impact investors, social entrepreneurs, foundations, governments, and institutions to increasing the flow of capital toward social good.

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RE3 Conference

Québec City, Canada // June 11-15

This joint conference between the Society for Ecological Restoration – Eastern Canada (SER-EC) and the Canadian Land Reclamation Association (CLRA) will be held from June 11th to 15th, 2023, at the third year of the UN Decade of Ecosystem Restoration (2021-2030).

The proposed theme of the conference for 2023 is “From Reclaiming to Restoring and Rewilding”. It aims to stimulate discussions about the range of environmental management approaches advocated by the hosting societies.

Reclaiming is recognized and practiced by many industries, including mining and petrol extraction. Restoring is recognized most broadly around the world, and has been the main focus of SER.

Rewilding, or bringing back to nature, allows us to dream. These terms also imply ideas of industry, science, practice, society and imagination. They run from the practical to the creative.

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SXSW Climate

Austin, TX // March 10-13

Featured Session: Art & Climate – A Conversation with Brian Eno and Beatie Wolfe – SXSW 2022 – Photo by Lisa Walker

Programming in the Climate Change track covers the consequences of soaring temperatures and rising oceans, while also showcasing the most promising efforts on mitigating the effects of global warming.

The conference is annually hosted in Austin Texas, and is a celebration of film, music, design, and interactive industries. Every year the event spans 24 tracks of programming, showcases, screenings, and exhibitions.

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edie 23

edie 23 is the event which empowers businesses to take decisive actions and achieve systemic change. Formerly known as the Sustainability Leaders Forum, this 13-year-old event has evolved and upscaled into a climate action show like no other.  

The event Mission Statement includes an industry-leading pledge to speaker diversity and inclusivity; a strict no-greenwashing policy; a laser-like focus on delivering action-oriented content which combines strategic insights with practical takeaways; and a commitment to foster unrivaled networking opportunities which lead to tangible change. 

Join 600+ board-level executives and sustainability and net-zero leaders along with policymakers, finance experts, NGOs and academia for two monumental days in London as we shape the future of sustainable business. 

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Skoll World Forum

Oxford, UK // April 12–14

In 2023, the Skoll World Forum network will gather in Oxford, UK and online for the 20th Forum. Oxford attendance is curated by the Skoll team, and virtual participation is free and open to everyone.

Over the past 20 years, we’ve witnessed unprecedented advancements, global connectedness, and sweeping change movements. Our collective impact is cause for celebration even in the face of ongoing challenges.

At the 2023 Skoll World Forum, we’ll experience two decades of remarkable progress, reflect on crucial lessons, and survey the road ahead.

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Responsible Business USA 2023

New York, NY // April 4–5, 2023

IIn a period of geo-political and macro-economic crises companies must balance action, whilst sustaining a successful business. Those that can achieve this will future proof their business, protect the planet and ensure inclusive, sustainable growth.

Business growth is required for organizational survival, yet sustainability is a necessity for long-term profitability. Incoming SEC regulation, the Inflation Reduction Act, and mounting stakeholder pressure is increasing the momentum, ensuring that action on sustainability accelerates despite the current difficult climate in which businesses operate in.

At the Responsible Business USA 2023 you will gain the tools to help you embed sustainability across the business, shape your strategy through quality sustainability data, prepare for upcoming SEC regulation, accelerate the net-zero transition and ultimately balance growth with sustainability.

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Sustainability Week

London // March 29th-31st

This will be the 8th annual Economist Sustainability Week focuses on helping businesses become sustainable faster.

The Economist aims to be the independent guide to sustainability, helping their audience cut through the noise and supporting them as they achieve sustainability goals and reach outcomes with actual business value.

In 2023 they will be back with an even bigger and better event to further serve these aims, with a large scale physical event bringing 1,000 attendees, 300 speakers and 50 exhibitors coming together from March 29th to 31st at the Business Design Centre, London, and online.

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San Jose, CA // Oct 24 – 26, 2023

VERGE 23 is the leading climate tech event accelerating solutions to the most pressing challenges of our time. It is the center of gravity for the climate community — leaders from business, government, solution providers and startups — working together to address climate related issues.

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Sustainability Week Asia

Singapore // February 7th-9th

Sustainability Week Asia aims to help you cut through the noise surrounding sustainability, giving you an independent guide to achieving your goals.

Engaged at the intersection of business, government and civil society, Sustainability Week Asia provides astute macro-level analysis and case studies, and connects them with actionable insights and practical examples to help your business become sustainable, faster.

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European Forum on Urban Forestry

Kraków, Poland // May 24-26

The EFUF 2023 overall theme is Urban Forests as Nature-based Solutions. To read more about the aspects on the agenda, look here.

EFUF 2023 is open to all interested in urban forest management, policy, planning and decision-making. This year we focus on managers, researchers, practitioners, consultants and representatives from stakeholder groups (e.g. lobbyists, envNGOs (ENGO), volunteer groups, etc.).

The language of the forum is English.

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Regenerative Finance Conference

Lisbon, Portugal // April 22

The ReFi Conference is an event that will gather the community together from the Finance, technology, and sustainability sectors to discuss the latest developments in the world of Regenerative Finance and WEB3.

The conference’s focus on the ways in which technologies such as regenerative finance, blockchain, and web3 can be leveraged to drive positive change and take action on climate change suggests that it covers a wide range of important and relevant issues.

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