Earth Hour 2016 around the world in pictures
Author: ABC News Date Posted:21 March 2016
Australia among the top 20 list of nations with the highest energy consumption, Australia has the smallest population
Earth Hour has seen the lights go out again in many of the world's largest cities, each with its own local focus on energy concerns.
Millions of people from 178 countries and territories took part in the event this year, with monuments and buildings such as the Eiffel Tower, Taipei 101 and the Empire State Building plunging into darkness for 60 minutes from 8:30pm local time on March 19
After a year of devastating bushfires right across the country, Australians are being asked to address climate change.
Among the top 20 list of nations with the highest energy consumption, Australia has the smallest population.
