Please help China, help the world and help the earth we live in!

请帮助中国，请帮助世界，请帮助我们赖以生存的地球！！！

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Although volcanoes are highly destructive and dangerous, they do help the earth in some ways.

虽然火山具有很大的破坏性和危险性，但是，它们的确以某些方式有助于地球。

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Now that they are no longer ignorant of the causes of the sickness of our planet, they seek ways to help the Earth, to give back what they take away.

由于不再无视地球罹难的根源，人们正在寻求各种方法来治疗它，把自己取走的东西归还给地球。

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Back on Earth, space scientists and engineers worked around the clock to design and test new ideas to help the astronauts survive.

VOA: special.2009.07.22

Knowing more about how the Yarkovsky effect changes an asteroid's orbit will help scientists better predict whether RQ36 will come near Earth.

VOA: special.2011.06.22

The rockets, normally released before returning to Earth, could help keep a loose heat shield in place.

VOA: special.2009.06.17

At low altitudes they help to cool the Earth by reflecting sunlight away from it.

ECONOMIST: Climatology: Grey-sky thinking | The

"This will help us determine how the Earth's climate is changing, both globally and locally, " said Crystal Schaaf of Boston University.

BBC: Earthshine map helps predict weather

Research on board the station and here on Earth will help us better understand and overcome the obstacles that limit exploration.

CNN: Bush: 'It is time for America to take the next steps' in space