Call to Earth Day 2026

About This Event

Call to Earth Day 2026 is a global day of environmental action organised by CNN, taking place on 3 December 2026. The event is free and open to everyone worldwide, with participation available both online and through local in-person activities. This year's theme is "Think Blue", focusing on ocean and water conservation. The initiative is part of CNN's Call to Earth editorial series, which partners with Rolex's Perpetual Planet Initiative to drive awareness of environmental challenges and inspire action.Participants are encouraged to organise or join activities such as beach and river cleanups, creating ocean-themed artwork, reducing single-use plastics, restoring marine habitats, planting mangroves, or educating others about conservation. Schools, organisations, families and individuals can register their events on the CNN Call to Earth Day website. Throughout the day, CNN will feature stories of scientists, activists, communities and innovators working to protect marine ecosystems. Participants are asked to wear blue, document their activities and share photos and videos using #CallToEarth on social media.For UK SMEs and sustainability leads, this event offers a straightforward way to engage employees or communities in practical environmental action whilst aligning with ocean conservation goals. The global reach and media coverage provide visibility for company sustainability commitments, whilst the flexible format allows businesses to choose activities that match their resources and location, from coastal cleanups to educational sessions about reducing plastic waste in supply chains.

Key Takeaways

• Focuses on ocean health and its connection to climate, food security and oxygen production
• Encourages practical actions including cleanups, habitat restoration and reducing single-use plastics
• Features stories of marine scientists, activists and communities throughout the day on CNN
• Participants register events, wear blue and share content using #CallToEarth on 3 December
• Since launch, the initiative has engaged hundreds of thousands of participants across over 100 countries

Who Should Attend

• UK businesses looking to demonstrate environmental commitment through employee engagement activities
• Sustainability leads seeking practical, scalable actions that align with ocean and climate goals
• Schools and community groups wanting to participate in a global movement with media visibility
• Organisations near waterways or coastlines interested in local cleanup or restoration projects