Wetlands are ecosystems with unique functions that provide a variety of important ecosystem services. However, climate change and human activities have caused serious losses and degradation of wetlands, and there is an urgent need for scientific planning, effective management, and appropriate restoration of wetlands...

Science and Technology Daily reporter Li LiyunHow to draw a more accurate distribution map of permafrost with climate warming and permafrost degradation to provide data support for cold region engineering? Professor Shan Wei's team from the Cold Region Science and Engineering Research Institute of Northeast Forestry University has completed a 30 meter resolution map of the distribution and spatiotemporal changes of permafrost in Northeast China. The relevant results have recently been published in international journals such as "Sustainable Development" and "Applied Science"...

This article has over 3300 words, and those who are not interested can bypass it.In 1984, as a TV repairman in the factory, I was fortunate enough to be seconded to the Provincial Technical Quality Supervision and Inspection Institute and participated in the fourth national quality evaluation of black and white televisions...