People from more than 121 countries will participate in the Earth Hour tonight to save energy.
You too can take part in one of the biggest voluntary actions to show you care about the environment.
All you have to do is switch off lights and other non-critical electrical appliances at your homes and offices between 8:30 pm and 9:30 pm tonight (Saturday).
With this, hundreds of cities are hoping to set a new record in conserving power.
The World Wide Fund (WWF), which is organising the Earth Hour, estimates that power consumption is one of the leading causes of release of carbon dioxide into the atmosphere and one of the leading causes of global warming.
The WWF has exuded optimism about Earth Hour 2010 initiative in India saving more energy than last year. Read full story from publisher