Questão 97011

Considering the text below, apply the scanning technique to locate the specific date when the 'Intergovernmental Panel on Climate Change (IPCC)' released its Sixth Assessment Report (AR6). The following passage is an excerpt from a complex United Nations internal memo discussing the logistical and public relations challenges surrounding recent climate publications. The document details multiple events, reports, and deadlines, aiming to test the candidate's ability to isolate a single piece of information from dense, jargon-filled text.

'Internal Memo: Publication Strategy Overview. The recent quarter has been exceptionally demanding for the communications department. Following the preliminary findings dissemination on August 9, 2021, which caused considerable media traction, the full Working Group I contribution to the AR6 was finally published. This was succeeded by the Working Group II report on impacts, adaptation, and vulnerability, which had a staggered release, with its summary for policymakers being approved in a session that concluded on February 27, 2022. The complete scientific text followed weeks later. Subsequently, the Working Group III report on mitigation, approved on April 4, 2022, added another layer of complexity to our outreach efforts. Each of these publications required a distinct strategy, unlike the more consolidated approach for the AR5 Synthesis Report back in 2014. Our primary challenge remains the effective communication of the Synthesis Report for AR6, which is slated for a high-level plenary session in Q1 2023, integrating all findings since the initial 2021 release.'

Based on a meticulous scan of the text, the specific publication date for the full Working Group I contribution to the AR6 was: