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Why you should turn off your lights and when you should do it

People around the world will turn off their lights on Saturday night Earth Day and acknowledge the threat climate change poses to our planet.

Joining in is easy: just turn off your light at 8:30 pm. Local time on March 30th.

Earth Hour was first held in 2007 in Sydney, Australia. Now monuments from the Empire State Building in New York to the Eiffel Tower in Paris go over time to raise awareness of how each action can work to create a tidal wave of change.

This year's event occurs after hundreds of thousands of youth around the world skipped school earlier this month to protest against climate change, urging legislators to fight global warming.

The action came after the UN warned last year that humanity has 1

2 years to prevent global temperatures from rising 1.5 ° C above pre-industrial levels and extreme and destructive weather events such as floods and drought become the new normal.

Dr. Joanna I. House, a reader of environmental science and policy at the University of Bristol, told Newsweek : "Our children tell us loud and emphatic that they want to do something about climate change that we protect their future. Earth Hour is an important opportunity to show that even small things can make a big difference when enough of us are done. "

But Earth Hour is just that: an hour Dr. Rebecca Elliot, assistant professor in the Department of Sociology Their research looks at the study of climate change as an economic problem and highlighted Newsweek :" The kinds of challenges we face require collective and not individual solutions: transformations of our infrastructure, supply chains, energy systems and economic institutions. "

However, she said that the average person can reduce their environmental impact by: less consumed: "Buy less (and throw away)."

House added, "There are many things we can do. To reduce our own carbon footprint, everything we can do can help."

It calls on the public to demand better and more affordable alternatives to petrol and diesel cars, such as public ones e Traffic connections and safe lanes for bicycles cles.

"Eat a few meals with less meat and more vegetables for health and the environment," she advised. Last year, for example, a study published in the journal Science showed that a vegan diet (free of animal products like dairy, eggs and meat) is the best way to protect the planet.

Taking fewer flights and switching to green electricity tariffs can also help individuals make a difference, House said. [194559007]