Earth hour is observed on:

🧠 Explanation:

Earth Hour, observed on March 24, promotes energy conservation globally. For environmental students, this highlights sustainability campaigns, making it a key topic for studying environmental awareness, climate change, and global initiatives. It encourages reducing energy use for one hour. Understanding this reveals collective environmental efforts. It’s essential for analyzing conservation strategies, public campaigns, and environmental science. Studying Earth Hour offers insights into how global movements promote sustainability, crucial for environmental studies, public policy, and understanding worldwide efforts to combat climate change and foster eco-friendly practices.