This list of all the major climate events of 2025 will help you know the most important environmental conferences.
The following list of all the major climate events of 2025 provides you with knowledge of meetings and events that bring together world leaders, policymakers, scientists, activists, and industry experts to tackle the most pressing environmental challenges of our time.
Use this list to ensure you follow the events and their results, and most importantly, let your elected representatives know how you feel. Now more than ever, we must hold our politicians’ feet to the fire and make them accountable to us, the people whom they represent.
2025 ECOSOC Partnership Forum
February 5, 2025, UN Headquarters, New York, USA
Description: The 2025 ECOSOC Partnership Forum aims to bring together stakeholders to discuss partnerships for achieving the Sustainable Development Goals (SDGs) and addressing global challenges.
Importance: This event plays a crucial role in fostering dialogue and cooperation among various actors, which is essential for accelerating progress toward the SDGs and addressing complex global issues.
Best-case outcomes: The forum could result in new multi-stakeholder partnerships, innovative financing mechanisms for sustainable development, and strengthened collaboration between governments, civil society, and the private sector.
Official website for the 2025 ECOSOC Partnership Forum
GreenBiz 25
February 10 – 12, 2025, Phoenix, Arizona, USA
Description: GreenBiz focuses on advancing sustainable business practices by bringing together corporate leaders to discuss decarbonization strategies, circular economies, nature-based solutions, and ESG (Environmental Social Governance) frameworks.
Importance: GreenBiz is critical for driving sustainability within the private sector by showcasing innovative business models that balance profitability with environmental responsibility.
Best-case outcomes: The conference could lead to new corporate commitments toward net-zero goals and foster collaboration between industries to adopt more sustainable supply chain practices.
Official website for GreenBiz 25
World Sustainable Development Summit (WSDS) 2025
March 5 – 7, 2025, New Delhi, India
Description: World Sustainable Development Summit 2025 is a global platform that brings together policymakers, researchers, business leaders, and civil society to discuss sustainable development challenges and solutions. The summit focuses on climate action, biodiversity conservation, clean energy transitions, and equitable economic growth.
Importance: This summit is critical for fostering collaboration among diverse stakeholders and addressing the interconnected challenges of climate change, poverty alleviation, and environmental sustainability.
Best-case outcomes: The summit could lead to new public-private partnerships, innovative policy recommendations for sustainable development, and actionable strategies for achieving the Sustainable Development Goals (SDGs).
Official website for the World Sustainable Development Summit 2025
Global Youth Climate Summit
April 2 – 5, 2025, Belo Horizonte, Brazil
Description: The Global Youth Climate Summit 2025 aims to empower young leaders by providing them with tools to advocate for climate justice while engaging directly with decision-makers on pressing issues like renewable energy transitions or biodiversity loss mitigation strategies.
Importance: This event is crucial for fostering the next generation of climate leaders and ensuring that youth perspectives are integrated into global climate policy-making processes.
Best-case outcomes: The summit could result in a youth-led action plan for climate change mitigation and adaptation, increased youth representation in international climate negotiations, and the launch of innovative youth-driven climate projects.
Official website for the Global Youth Climate Summit
2025 ECOSOC Youth Forum
April 15 – 17, 2025, UN Headquarters, New York, USA
Description: The ECOSOC Youth Forum 2025 provides a platform for youth to engage in dialogue with Member States and contribute to policy discussions on global issues, particularly the implementation of the 2030 Agenda for Sustainable Development.
Importance: This event is vital for ensuring that youth voices are heard in global policy discussions and for harnessing the energy and innovation of young people in achieving the Sustainable Development Goals.
Best-case outcomes: The forum could lead to increased youth participation in decision-making processes at national and international levels, new youth-led initiatives for sustainable development, and stronger partnerships between youth organizations and UN agencies.
Official website for the 2025 EOCSOC Youth Forum
EarthX 2025
April 21 – 25, 2025, Dallas, Texas, USA
Description: EarthX is the world’s largest environmental expo and forum that showcases innovations in sustainability across industries such as clean energy, conservation technology, and sustainable agriculture.
Importance: EarthX provides a unique platform for connecting innovators with investors and policymakers to scale up practical solutions to environmental challenges.
Best-case outcomes: The event could foster partnerships between businesses and environmental organizations while inspiring public engagement through education about sustainability solutions.
Official website for EarthX 2025
GLF Forests 2025: Defining the Next Decade of Action
April 24 – 25, 2025, Bonn, Germany & Online
Description: GLF Forests 2025 will focus on shaping policies and actions for forest conservation over the next decade while addressing deforestation’s role in biodiversity loss and climate change mitigation.
Importance: Forests are vital carbon sinks and biodiversity hotspots; this event is crucial for ensuring their protection as part of global climate action strategies.
Best-case outcomes: The forum could result in commitments from governments and businesses to halt deforestation by 2030 while promoting reforestation projects globally. It may also strengthen community-led forest management initiatives.
Official website for GLF Forests 2025
Future Days 2025
April 30 – May 4, 2025, Lisbon, Portugal
Description: Future Days is an event that brings together innovators, entrepreneurs, and thought leaders to discuss and showcase solutions for a sustainable future, focusing on technology, urban development, and circular economy principles.
Importance: Future Days plays a crucial role in bridging the gap between technological innovation and sustainable development, fostering solutions that can address environmental challenges while promoting economic growth.
Best-case outcomes: The event could spark new collaborations between tech companies and sustainability initiatives, lead to the adoption of innovative urban planning strategies, and accelerate the development of circular economy business models.
Official website for Future Days 2025
Forests, People, Planet – GLF at IMFN Global Forum 2025
May 26 – 30, 2025, Kemptville, Ontario, Canada
Description: Forests, People, Planet – GLF at IMFN Global Forum 2025 will focus on integrating forest landscape restoration efforts with local communities’ needs while addressing ecosystem services provided by forests globally.
Importance: This forum highlights the intersection of human well-being with forest health while promoting scalable restoration practices globally.
Best-case outcomes: The event could lead to new funding mechanisms for forest restoration projects and stronger alignment between restoration efforts under international agreements like the Bonn Challenge or UN Decade on Ecosystem Restoration goals.
Official website for the GLF at IMFN Global Forum 2025
UN Ocean Conference
June 9 – 13, 2025, Nice, France
Description: The UN Ocean Conference focuses on accelerating action to conserve and sustainably use oceans, seas, and marine resources in line with Sustainable Development Goal 14. It addresses issues such as marine pollution, overfishing, ocean acidification, and the protection of marine biodiversity.
Importance: Oceans are critical to regulating the Earth’s climate and supporting biodiversity. This conference is vital for addressing the health of oceans and ensuring their sustainable use for future generations.
Best-case outcomes: The conference could result in new international commitments to expand marine protected areas (MPAs), implement sustainable fishing practices, and reduce plastic pollution. It may also lead to innovative financing mechanisms for ocean conservation and stronger international collaboration on protecting marine ecosystems.
Official website for the UN Ocean Conference
2025 Bonn Climate Change Conference
June 16 – 26, 2025, Bonn, Germany
Description: The Bonn Climate Change Conference serves as a mid-year meeting to advance work on technical issues and prepare for the annual COP.
Importance: This event is crucial for maintaining momentum in climate negotiations throughout the year and ensuring that substantial progress is made before COP30.
Best-case outcomes: The conference could make significant progress on technical aspects of climate negotiations, such as refining carbon market mechanisms, developing guidelines for climate finance, and enhancing transparency frameworks.
Official website for the 2025 Bonn Climate Change Conference
4th International Conference on Financing for Development
June 30 – July 3, Seville, Spain
Description: The 4th International Conference on Financing for Development typically focuses on mobilizing financial resources for sustainable development, addressing issues such as development aid, debt sustainability, and innovative financing mechanisms.
Importance: Financing is crucial for achieving sustainable development goals, making this conference vital for ensuring adequate resources are available for global development efforts.
Best-case outcomes: The conference could result in new commitments for development financing, improved strategies for domestic resource mobilization in developing countries, and innovative financial instruments for sustainable development.
Official website for the 4th International Conference on Financing for Development
High-Level Political Forum 2025
July 14 – 23, 2025, UN Headquarters, New York, USA
Description: The High-Level Political Forum is the main United Nations platform on sustainable development, providing political leadership, guidance, and recommendations for implementing the 2030 Agenda for Sustainable Development and the SDGs.
Importance: As the central platform for follow-up and review of the 2030 Agenda, the HLPF is crucial for maintaining momentum and accountability in global efforts to achieve sustainable development.
Best-case outcomes: The forum could result in strengthened commitments from countries to accelerate progress on the SDGs, new partnerships for sustainable development, and innovative strategies for addressing interconnected global challenges.
Official website for the High Level Political Forum 2025
15th Meeting of the Conference of the Contracting Parties to the Ramsar Convention on Wetlands (COP15)
July 23 – 31, 2025, Victoria Falls, Zimbabwe
Description: The 15th Meeting of the Conference of the Contracting Parties to the Ramsar Convention on Wetlands focuses on the conservation and wise use of wetlands, addressing issues such as wetland restoration, climate change adaptation, and sustainable management of water resources.
Importance: Wetlands play a crucial role in biodiversity conservation, water purification, and climate regulation. This conference is vital for ensuring the protection and sustainable use of these critical ecosystems.
Best-case outcomes: The meeting could lead to new commitments for wetland protection and restoration, improved strategies for integrating wetland conservation into climate change mitigation efforts, and enhanced international cooperation on transboundary wetland management.
13th International Conference on Sustainable Development (ICSD 2025)
September 10 – 11, 2025, Rome, Italy
Description: The 13th International Conference on Sustainable Development brings together academics, policymakers, and practitioners to share practical solutions for achieving sustainable development across various sectors.
Importance: This event plays a crucial role in bridging the gap between academic research and practical implementation of sustainable development strategies.
Best-case outcomes: The conference could generate new research collaborations, innovative policy recommendations, and practical strategies for implementing sustainable development principles across different contexts.
Official website for the 13th International Conference on Sustainable Development
Climate Week NYC 2025
September 21 – 28, 2025, New York City, USA
Description: Climate Week NYC is an annual event that convenes businesses, governments, nonprofits, and activists to showcase climate solutions and drive global climate action. It runs alongside the UN General Assembly.
Importance: As one of the largest annual climate events in the world, Climate Week NYC plays a significant role in mobilizing cross-sectoral action to address climate change at scale.
Best-case outcomes: The event could result in new corporate sustainability commitments, the launch of impactful climate initiatives, and increased public awareness about urgent climate issues.
Official website for Climate Week NYC 2025
IUCN World Conservation Congress
October 9 – 15, 2025, Abu Dhabi, UAE
Description: The IUCN Congress aims to address biodiversity loss, climate change, and sustainable development. It will focus on five key themes: scaling up conservation efforts, reducing climate risks, promoting nature-positive economies, advancing conservation governance, and leveraging technology for nature.
Best-case outcomes: The Congress could result in new conservation initiatives, research collaborations, and resolutions that influence national and international environmental policies. It may also lead to innovative strategies for addressing the triple planetary crisis.
Importance: As the world’s largest and most inclusive biodiversity summit, this event plays a pivotal role in shaping conservation and sustainability agendas. It serves as a crucial platform for accelerating action and ambition towards meeting critical environmental agreements.
Official website for the IUCN World Conservation Congress
World Health Summit 2025
October 12 – 14, 2025, Berlin, Germany and online
Description: The World Health Summit addresses global health challenges, focusing on the intersection of health, climate change, and sustainable development.
Importance: This event is crucial for promoting a holistic approach to global health that considers environmental and social determinants, contributing to both human well-being and planetary health.
Best-case outcomes: The summit could lead to new global health initiatives, strengthened partnerships between health and environmental sectors, and innovative strategies for addressing health impacts of climate change.
Official website for the World Health Summit 2025
6th World Congress on Agroforestry
October 20 – 24, 2025 Kigali, Rwanda
Description: This congress typically focuses on advancing agroforestry practices, which integrate trees and shrubs into agricultural landscapes for environmental and economic benefits.
Importance: Agroforestry plays a crucial role in sustainable land management, climate change mitigation, and food security, making this congress vital for advancing sustainable agricultural practices.
Best-case outcomes: The congress could result in new research collaborations, improved agroforestry techniques, and increased adoption of agroforestry practices globally.
Official website for the 6th World Congress on Agroforestry
COP30 (2025 United Nations Climate Change Conference)
November 10 – 21, 2025, Belém, Brazil
Description: COP30 aims to advance global climate negotiations and address urgent topics like carbon markets and adaptation funding. It will focus on implementing the outcomes of COP29, operationalizing the Global Goal on Adaptation, and addressing the findings of the first Global Stocktake.
Importance: COP30 marks the 10th anniversary of the Paris Agreement and could make or break the credibility of UN-backed collective action on climate and nature. It represents a critical juncture for global climate policy and action, potentially shaping the environmental agenda for decades to come.
Best-case outcomes: Countries submit significantly more ambitious Nationally Determined Contributions (NDCs 3.0), detailing comprehensive plans for fossil fuel phase-out, increased nature-based solutions, and alignment with National Biodiversity Strategies. The conference could also finalize rules for a transparent and credible global carbon market.
Official website for COP30 2025
CITES CoP20 (Convention on International Trade in Endangered Species of Wild Fauna and Flora)
November 24 – December 5, 2025, Samarkand, Uzbekistan
Description: CITES CoP20 aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival, addressing issues such as illegal wildlife trade and sustainable use of biodiversity.
Importance: This event is crucial for global efforts to combat illegal wildlife trade and ensure the sustainable use of biodiversity resources.
Best-case outcomes: The conference could lead to strengthened regulations on wildlife trade, improved enforcement mechanisms, and new conservation initiatives for endangered species.
Official website for CITES CoP20
United Nations Environment Assembly
December 8 – 12, 2025, Nairobi, Kenya
Description: The UN Environment Assembly is the world’s highest-level decision-making body on environmental issues, addressing critical challenges and setting priorities for global environmental policies.
Importance: This event plays a crucial role in setting the global environmental agenda and coordinating international efforts to address environmental challenges.
Best-case outcomes: The assembly could adopt resolutions on pressing environmental issues, agree on new international environmental governance mechanisms, and launch initiatives to address emerging environmental threats.
Official website for the United Nations Environment Assembly
