Kohima, March 25 (MExN): The Department of Environment, Forests and Climate Change, Nagaland will observe Earth Hour on March 28 from 8.30 PM to 9.30 PM to create “The Biggest Hour for Earth”. The department has appealed to all citizens to support the cause and raise awareness on environmental issues by switching off all non-essential lights in offices, workplaces, and homes during the designated hour.