2025年，怀旧已经成了最危险的情绪

Core Viewpoint - The article discusses the pervasive sense of anxiety and negativity in society, driven by technological advancements, social media algorithms, and global crises, while also highlighting some positive developments that may offer a more balanced perspective on the future [4][7][12]. Group 1: Societal Anxiety and Negative Trends - The rise of AI has led to widespread concerns about job security, wealth disparity, and the decline of civilization, contributing to a narrative of impending doom [4][7]. - The prevalence of bad news is linked to human psychology, where negative information captures more attention than positive news, a phenomenon known as negativity bias [12]. - The global homicide rate has decreased from approximately 6.9 per 100,000 people in 2000 to about 5.2 in 2023, marking a decline of 24.6% [23]. Group 2: Positive Developments and Future Outlook - Vaccination efforts by Gavi have saved a record 1.7 million lives in 2024, an increase of 400,000 from 2023, resulting in an economic benefit of approximately $20 billion [15]. - Global food production is projected to reach historical highs, with wheat and rice stocks expected to increase by 3.6% and 2.2% respectively by the 2026 marketing year [19]. - The extreme poverty rate has significantly decreased, with the number of people living on less than $3 a day dropping from 2.3 billion in 1990 to 800 million, indicating a positive trend in global economic conditions [25].