d) Theodore Roosevelt

Theodore Roosevelt, the 26th President of the United States, known as the “Conservation President,” is famous for his efforts in conserving natural resources. Roosevelt’s passion for the outdoors and belief in the importance of preserving America’s natural beauty led to the establishment of numerous national parks, forests, and monuments. His visionary leadership in conservation laid the foundation for the modern environmental movement and solidified his legacy as a champion of the nation’s wilderness and wildlife.