Cities around the world were turning off their lights Saturday for Earth Hour, with this year’s event highlighting the link between the destruction of nature and increasing outbreaks of diseases such as COVID-19.In London, the Houses of Parliament, London Eye Ferris wheel, Shard skyscraper and neon signs of Piccadilly Circus were among the landmarks flicking the switches for one hour starting at 8:30 p.m. local time.“It’s fantastic news that Parliament once again is taking part in Earth Hour, joining landmarks across the country and the world to raise awareness of climate change,” said Lindsay Hoyle, speaker of the House of Commons.“It shows our commitment to improving sustainability … and that we’re playing our part in reducing energy consumption,” he said.In Paris, the three stages of the Eiffel Tower progressively went dark, but there were few people to watch with the whole country under a 7 p.m. COVID-19 curfew.The giant metal tower has been shut to the public since October 30 because of the pandemic.The ancient Parthenon is pictured just before the lights on the Acropolis hill shut down for Earth Hour in Athens, Greece, March 27, 2021.In Rome, the lights went out at Rome’s 2,000-year-old Colosseum, while police enforcing Italy’s coronavirus movement restrictions checked the papers of a small crowd of onlookers.Harmful human activityAsia kicked off the event after night fell with the skylines of metropolises from Singapore to Hong Kong going dark, as did landmarks including Sydney Opera House.The Brandenburg Gate in Berlin and Moscow’s Kremlin on Red Square also joined the annual initiative that calls for action on climate change and the environment.After Europe, Earth Hour moved west to the Americas with the Empire State Building in New York, the Obelisk of Buenos Aires and Rio’s Museum of Tomorrow among venues dimming the lights.For this year, organizers said they wanted to highlight the link between the destruction of the natural world and the increasing incidence of diseases, such as COVID-19, making the leap from animals to humans.Experts believe human activity such as widespread deforestation, destruction of animals’ habitats and climate change are spurring this increase and warn that more pandemics could occur if nothing is done.A view of the Kronborg Castle before the lights are switched off for Earth Hour, in Elsinore, Denmark, March 27, 2021.”Whether it is a decline in pollinators, fewer fish in the ocean and rivers, disappearing forests or the wider loss of biodiversity, the evidence is mounting that nature is in free fall,” said Marco Lambertini, director general of the WWF, which organizes Earth Hour.”And this is because of the way we live our lives and run our economies. Protecting nature is our moral responsibility, but losing it also increases our vulnerability to pandemics, accelerates climate change and threatens our food security,” he added.’Impact on environment’Earth Hour is about “more than just saving energy, it’s more like remembering our impact on the environment,” Ian Tan, 18, told AFP in Singapore.But he was not convinced the event, which has been running since 2007, made much of a difference.”One hour is not enough for us to remember that climate change is actually a problem,” he said.In Hong Kong, people at viewing points above the city watched as lights were dimmed on hordes of closely packed skyscrapers, while in the South Korean capital, Seoul, the historic Namdaemun gate went dark.In Thailand, Bangkok’s ultra-popular CentralWorld mall counted down to 8:30 p.m. before its exterior glass displays went dark for an hour. But inside, shopping appeared to continue as usual. 
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