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Earth Hour on March 29 to focus on renewable energy

Earth Hour — the global campaign by World Wildlife Fund (WWF) to raise awareness about climate change — will be observed from 8.30 p.m. to 9.30 p.m on March 29. This year’s campaign will mark the sixth year of the movement in the country and will ask individuals and organisations to switch to renewable energy, said WWF-India representatives at a press conference in the city on Tuesday.