Earth Hour "Please correct "
Earth hour is an annual worldwide event for raise awareness about the need to take action on climate change. The event device by the World Wide Found for Nature (WWF) at March annually. In this program turn off non-essential light for one hour. The non-typical action for one hour maybe people to think about global warming Earth. but quick and decisive action is essential if we are going to save the Earth. clean cities without smoke and pollution are scarce in the world nowadays. cars and factories mach talent to produce pollution to warming Earth. Engineers in national environment organization must devise a plan to abandon the use of fossil fuels and must persuade factories to observe national environment. Hoping to Earth without contamination.