Major developments refer to significant changes or advancements in various fields, such as technology, science, and social issues. These changes can impact society, economies, and the environment, often leading to new opportunities or challenges. For example, the rise of artificial intelligence has transformed industries by automating tasks and improving efficiency. In recent years, major developments have also occurred in renewable energy, with advancements in solar and wind technologies making them more accessible and cost-effective. Additionally, breakthroughs in medical research have led to new treatments and vaccines, significantly improving public health outcomes and addressing global health crises.