世界达到第一个气候临界点

Core Viewpoint - The world has reached its first climate tipping point as global warming surpasses the critical threshold of 1.5°C, leading to unprecedented threats to the stability of key Earth systems [1] Group 1 - The report, authored by 160 scientists from 87 institutions across 23 countries, highlights the significant milestone of large-scale coral reef mortality as the first notable indicator of this tipping point [1] - The concept of a "new climate reality" is introduced, indicating that humanity is now facing a series of catastrophic tipping points [1] - The report emphasizes the urgency of addressing climate change to prevent further destabilization of critical environmental systems [1]