10 billion solutions

Mariana Castaño Cano reflects on her most difficult COP: logistical challenges, inequality, political tensions and key lessons from COP30 in Belém.

COP30: its objectives and key negotiations, the urgency of resilience and adaptation to climate change, the necessary funding, and the relevance of holding it in the Amazon, including indigenous peoples’ rights and recent demonstrations.

The UN publishes the CDN 2025 Synthesis Report: only a 17% reduction projected for 2035 and record-high CO₂ levels. Discover what global climate commitments show ahead of COP30 in Belém.

Mariana Castaño Cano analyses the challenges and opportunities of COP30 in Belém, a turning point for climate action, on UE Talks.

Mariana Castaño Cano, founder of 10 Billion Solutions, participated as an expert in the EU–Argentina Climate Dialogue 2025 and spoke with Infobae about the challenges and opportunities of COP30 in Belém, Brazil. Discover how 10 Billion Solutions uses communication and storytelling to inspire climate action.

Global warming has brought coral reefs to the point of no return. Discover how climate change is affecting these vital ecosystems and its consequences for biodiversity and livelihoods.

We reflect on the importance of taking care of ourselves in order to take action against climate change.

With almost a month to go before the climate summit in Belém, narratives and climate diplomacy are taking shape Preparations for the United Nations Climate

The ICJ declares that failing to act on climate change can be an internationally wrongful act. Learn why this opinion marks a turning point.

The UN’s global plastics treaty talks in Geneva failed: plastic pollution rises while global action falls behind.