最新气候指标
当前大气二氧化碳浓度:421.36 ppm ±0.5%
全球平均温度异常:+1.2°C (相对于1850-1900基线)
年份 |
二氧化碳浓度(ppm) |
温度变化(°C) |
2020 |
413.94 |
+1.15 |
2023 |
421.36 |
+1.20 |
关键观测结论
- 十年增长率:2.4 ppm/年 ±0.1 ppm
- 海洋酸化程度:pH值下降0.11 ±0.01
- 北极海冰范围:9月最小面积 4.23×10⁶ km² ±5%
Story Source:
Materialsprovided byColumbia University School of Engineering and Applied Science.Note: Content may be edited for style and length.
Journal References:
Jason S. Kahn, Brian Minevich, Aaron Michelson, Hamed Emamy, Jiahao Wu, Huajian Ji, Alexia Yun, Kim Kisslinger, Shuting Xiang, Nanfang Yu, Sanat K. Kumar, Oleg Gang.Encoding hierarchical 3D architecture through inverse design of programmable bonds.Nature Materials, 2025 DOI:10.1038/s41563-025-02263-1Jason S. Kahn, Daniel C. Redeker, Aaron Michelson, Alexei Tkachenko, Sarah Hong, Brian Minevich, Oleg Gang.Arbitrary Design of DNA-Programmable 3D Crystals through Symmetry Mapping.ACS Nano, 2025; 19 (15): 14795 DOI:10.1021/acsnano.4c17408