"Climate Action Tracker" which monitors the emission reduction pledges of different countries is a :

Correct Option (A)

The "Climate Action Tracker" (CAT) is an independent scientific initiative that monitors and assesses the climate action of countries. It is a collaborative project established by two research organizations: Climate Analytics and the New Climate Institute. CAT evaluates national emission reduction targets, policies, and mitigation pledges against the goals of the Paris Agreement, providing an independent analysis of their adequacy and implementation.

Incorrect Options:

• The Intergovernmental Panel on Climate Change (IPCC) is a United Nations body responsible for assessing the science related to climate change. While it produces comprehensive assessment reports, it does not operate or manage the Climate Action Tracker.

• The Climate Action Tracker is an independent research-based initiative and is not a formal committee or body under the United Nations Framework Convention on Climate Change (UNFCCC). Its assessments are independent of the UNFCCC's institutional structure.

• The Climate Action Tracker is funded and managed by the two research organizations, Climate Analytics and the New Climate Institute. It is not promoted or financed by the United Nations Environment Programme (UNEP) or the World Bank.