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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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