VOTE EARTH by simply switching off your lights for one hour, and join the world for Earth Hour.

投地球一票，仅仅需要加入地球时刻，关掉你的灯一小时。

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Last year, Earth Hour 2010 became the biggest Earth Hour ever. A record 128 countries and territories joined the global display of environment protection.

2010年“地球一小时”俨然成为史上规模最大的环保活动，已有128个国家和地区参与了这项应对气候变化的活动。

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At least nineteen of the fifty American states are planning to take part in the two thousand ten Earth Hour observance.

VOA: special.2010.03.22

After about an hour of being beyond the pull of Earth's gravity, Glenn reported he felt fine.

VOA: special.2009.06.17

This will be the first Earth Hour for countries including Kuwait, Qatar,Kosovo,Madagascar,Nepal, Cambodia and Panama.

VOA: special.2010.03.22

LONDON, Saturday 23rd March - As the UK prepares to go 'into darkness' for WWF's Earth Hour, Paramount Pictures is pleased to announce its support with a special 'Star Trek' themed light display which will dim as Earth Hour approaches.

ENGADGET: Quadrocopter fleet stuns Londoners with giant hovering Star Trek logo (video)

On March 23, millions of people around the world will be asked again to mark Earth Hour by switching off their lights and non-essential appliances for an hour in symbolic support for climate change mitigation.

FORBES: Moving Beyond The Symbolism Of Earth Hour

Earth Hour does lessen the electrical load of power plants to some extent, thus making a small contribution for that hour by lessening the amount of coal burned.

FORBES: Moving Beyond The Symbolism Of Earth Hour