World Wide Fund for Nature has emerged as one of the largest global campaigns to combat climate change. World Wide Fund for Nature has organized Earth Hour initiative. Almost 50 million supporters across the globe and over 100 countries have together for Earth Hour. Earlier in 2009 millions of people took part in the Earth Hour. Over 4,000 cities in 88 countries officially switched off lights to pledge their support for saving the planet. Earth Hour is Observed by turning off the lights for an hour from 8.30 pm to 9.30 pm IST. Pledging to its support the city government…