The book in your hands is a collection of papers delivered at the II International Conference "Ecosystems Without Borders: Opportunities and Challenges" held at Kaliningrad State Technical University in February 2023. The materials include studies reflecting the transformation of ecosystems, both in innovative development and in science, technology and business, as well as the spatial aspects of ecosystems and features of the formation of a creative class in ecosystem conditions. In addition, the book includes theoretical articles, which aim to implement the ideas of sustainable development and circular economy. The book is intended for a wide range of readers, including practicing economists, students, graduate students and researchers, as well as government officials and company managers. We are confident that our book serves as an important source of information and knowledge that leads to scientific and innovative progress in the field of sustainable development of society.

This book presents selected papers from the II International Conference "Ecosystems without Borders 2021", held at Kaliningrad State Technical University in Kaliningrad, Russia on October 5–7, 2021. Materials of the book "Ecosystems without Borders - Opportunities and Challenges" include theoretical and spatial aspects of ecosystems, features of the formation of a creative class in these conditions, as well as studies reflecting transformation of ecosystems, both in terms of innovations and in science, technology and business. This book will be of interest to a wide range of readers, such as practicing economists, students, graduate students and researchers, as well as government employees and company managers.

This is an open access book. The 2nd International Conference Social-Humanities in Maritime and Border Area (SHIMBA) 2023 is our response to issues on the development of maritime and border area. This will be a great opportunity among the stakeholders (private sectors, academia, researchers, governments, non-government, etc) who have roles, interests, and contributions to the related issues.

"The ongoing COVID-19 pandemic marks the most significant, singular global disruption since World War II, with health, economic, political, and security implications that will ripple for years to come." -Global Trends 2040 (2021) Global Trends 2040-A More Contested World (2021), released by the US National Intelligence Council, is the latest report in its series of reports starting in 1997 about megatrends and the world's future. This report, strongly influenced by the COVID-19 pandemic, paints a bleak picture of the future and describes a contested, fragmented and turbulent world. It specifically discusses the four main trends that will shape tomorrow's world: - Demographics-by 2040, 1.4 billion people will be added mostly in Africa and South Asia. - Economics-increased government debt and concentrated economic power will escalate problems for the poor and middleclass. - Climate-a hotter world will increase water, food, and health insecurity. - Technology-the emergence of new technologies could both solve and cause problems for human life. Students of trends, policymakers, entrepreneurs, academics, journalists and anyone eager for a glimpse into the next decades, will find this report, with colored graphs, essential reading.

This book presents the proceedings of the 1st International Conference on Water Energy Food and Sustainability – ICoWEFS 2021, a major forum to foster innovation and exchange knowledge in the water-energy-food nexus, embracing the Sustainable Development Goals (SDGs) of the United Nations, bringing together leading academics, researchers and industrial experts. It contains the work of authors from 33 countries.

2022-23 RRB General Science Chapter-wise Solved Papers