Understanding the Kyoto Protocol Signing Date

The Kyoto Protocol is a significant international treaty addressing climate change. It operationalizes the United Nations Framework Convention on Climate Change (UNFCCC) by committing industrialized countries and economies in transition to limit and reduce greenhouse gas (GHG) emissions in accordance with agreed individual targets.

When was the Kyoto Protocol Signed?

The question asks for the specific year when the Kyoto Protocol was signed. This is a key date in the history of international climate negotiations. The Kyoto Protocol was negotiated and adopted during the third session of the Conference of the Parties (COP 3) to the UNFCCC. This conference took place in Kyoto, Japan. Based on historical records and the outcomes of COP 3, the Kyoto Protocol was officially adopted and opened for signature in the year 1997.

Key Details about the Kyoto Protocol's Signing

• The Protocol was adopted in Kyoto, Japan.
• The adoption date was December 11, 1997.
• It was opened for signature from March 16, 1998, to March 15, 1999.
• While adopted in 1997, it entered into force much later, on February 16, 2005, after being ratified by a sufficient number of countries, including those responsible for a certain percentage of emissions.

Therefore, the signing date refers to the year it was adopted and made available for countries to sign, which was 1997.

Analysis of Options

Let's look at the provided options:

1. 1992: This is the year the UNFCCC itself was adopted at the Rio Earth Summit, not the Kyoto Protocol.
2. 1995: This year marks the first Conference of the Parties (COP 1) to the UNFCCC, held in Berlin.
3. 1997: This is the year the Kyoto Protocol was adopted and opened for signature at COP 3 in Kyoto.
4. 1999: This year falls within the period when the Protocol was open for signature (March 1998 to March 1999), but 1997 is the year of its adoption and initial signing availability.

Based on this analysis, the year the Kyoto Protocol was signed (meaning adopted and opened for signature) is 1997.

Revision Table: Key Climate Agreements

Agreement	Year Signed/Adopted	Key Focus
UNFCCC	1992	Framework for climate action; non-binding emission reduction goals
Kyoto Protocol	1997	Binding emission reduction targets for developed countries; market mechanisms
Paris Agreement	2015	Binding agreement for all countries (developed and developing) to reduce emissions; Nationally Determined Contributions (NDCs)

Additional Information: Significance of the Kyoto Protocol

The Kyoto Protocol was groundbreaking as it was the first international treaty to set legally binding targets for industrialized countries to reduce their greenhouse gas emissions. It introduced mechanisms like emissions trading, the Clean Development Mechanism (CDM), and Joint Implementation (JI) to help countries meet their targets more flexibly and cost-effectively. Although it had its limitations, particularly regarding the participation of major emitters in later commitment periods, it represented a crucial step in the global effort to combat climate change and influenced subsequent agreements like the Paris Agreement.