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-> On the road to COP

From Rio-92 to COP30: A timeline of climate diplomacy

On the Road to COP opens as a space for short notes on COP30. To launch the column, we look back at the key milestones of the global climate agenda, spotlighting the major international conferences where Brazil has played a role — from Rio-92 all the way to COP30 in Belém. Dive in!

From Rio-92 to COP30: A timeline of climate diplomacy
Aerial view of Amazon rainforest in Brazil.
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1992
ECO-92 (Rio-92 / Earth Summit) – Rio de Janeiro, Brazil

A landmark moment in the global environmental agenda. Launch of Agenda 21 and the conventions on Climate Change, Biodiversity and Desertification.

1995
COP1 – Berlin, Germany

The Berlin Mandate: formal recognition that the voluntary commitments adopted by developed countries were insufficient. This marked the start of negotiations that culminated in the Kyoto Protocol.

1997
Kyoto Protocol – Japan

The first legally binding international treaty requiring reductions in greenhouse gas emissions.

2000
Millennium Summit – New York, USA

Inclusion of environmental goals in the Millennium Development Goals (MDGs).

2002
World Summit on Sustainable Development – Johannesburg, South Africa

Review and reaffirmation of the Agenda 21 commitments.

2009
National Policy on Climate Change (PNMC) – Brazil

Brazil launched its national climate policy, establishing a voluntary commitment to cut projected emissions by 36.1% to 38.9% by 2020. (Law No. 12.187 of 29 December 2009)

COP15 – Copenhagen, Denmark

Global political recognition of the need to limit the rise in average global temperature to no more than 2 °C above pre-industrial levels. A turning point that began to guide subsequent climate agreements.

2012
Rio+20 – Rio de Janeiro, Brazil

Renewal of the Rio-92 commitments. Laid the groundwork for the Sustainable Development Goals (SDGs).

2015
COP21 – Paris, France

Adoption of the Paris Agreement, replacing the Kyoto Protocol. Nationally Determined Contributions (NDCs) and the target of limiting global warming to well below 2 °C, preferably 1.5 °C.

2018
IPCC Report (1.5°C)

A scientific warning of the urgency of limiting global warming to 1.5 °C. Highlighted the impacts already being felt and the rapidly narrowing window for action.

2019
Global Climate Strike

Mass youth-led mobilisations, spearheaded by Greta Thunberg, demanding concrete government action.

2021
COP26 – Glasgow, Scotland

Txai Suruí, a young Indigenous woman of the Paiter Suruí people (Rondônia, Brazil), became both the first Brazilian and the first Indigenous person to speak at the official opening of the conference. A powerful call for climate justice and for the leadership of Indigenous peoples.

2023
COP28 – Dubai, United Arab Emirates

The first Global Stocktake of the Paris Agreement targets. With a focus on energy transition and climate finance.

2025
COP30 – Belém, Brazil

Dubbed the delivery COP. Aims to prioritise the commitments already made rather than negotiate new ones. Main objective: to showcase tangible results in the implementation of the Paris Agreement through national plans (NDCs).

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