Jianjun Li

Dec 17, 2024 | mdpi.com | Jianjun Li

1. IntroductionThe Sun is the primary energy source for the Earth’s climate system, yet the quantitative assessment of the impact of solar variability on climate change remains incomplete. The influence of solar forcing, combined with additional natural variability, is complex in both magnitude and phase [1]. Separating these natural effects from anthropogenic ones is crucial for understanding the attribution of human-induced variability in Earth’s surface temperature [2].

Nov 10, 2024 | mdpi.com | Jiahong Liu |Lu Wang |Jianjun Li |Laiyuan Shi

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Sep 24, 2024 | onlinelibrary.wiley.com | Shihao Dong |Aili Sun |Tao Lin |Jianjun Li

Supporting Information Filename Description ins13448-sup-0001-figuresS1-S4.docx4.5 MB Fig. S1 Multiple Vespa soror workers that have been recruited to the entrance of an Apis cerana colony. Fig. S2 A Vespa soror worker approaches Apis mellifera workers near the entrance of their bee colony. Fig. S3 (A) Entrance of a Vespa soror nestbox. A tube was held at the entrance to capture live worker hornets. (B) We used a capillary tube to collect venom from each hornet's sting. Fig.

Jul 24, 2024 | mdpi.com | Yuhong Tang |Guang Li |Ming Zhang |Jianjun Li

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Sep 5, 2023 | mdpi.com | Tong Chen |Mo Wang |Jin Su |Jianjun Li

1. IntroductionIn accordance with United Nations projections, the world’s urban populace will experience an increment of 2.5 billion by 2050 []. The burgeoning urbanization, however, imposes significant environmental, economic, and social burdens on cities [,]. These challenges range from amplified poverty, unemployment, crime rates, and political unrest to intensifying environmental concerns such as biodiversity loss, pollution, and an escalating frequency of natural disasters.