Earth Hour
地球一小時
Earth Hour started in 2007 in Sydney, Australia.
地球一小時(活動)起始于 2007 年澳大利亞悉尼。
In that year, 2.2 million people turned their lights off for one hour.
就在這一年,220 萬人將他們的燈關(guān)閉了一小時。
They did this to show that they cared about climate change.
他們這樣做是為了證明他們關(guān)心氣候變化。
Since then, people from all over the world do the same on the last Saturday of March every year.
從那時起,在每年的 3 月的最后一個星期六,來自世界各地的人們都這樣做。
More and more countries are joining Earth Hour.
越來越多的國家正在加入地球一小時(活動)。