Most scientists agree that climate change is a serious problem that requires the attention of people and governments around the world.

VOA: special.2009.06.03

Margaret Mead, the anthropologist: "Never doubt that a small group of thoughtful, committed citizens can change the world.

人类学家Margaret，Mead说：,“永远不要怀疑一小群，有思想，坚定的市民可以改变世界。

哈佛公开课 - 幸福课课程节选

The Industrial Revolution of the eighteen and nineteen hundreds was a time of great change for the world.

VOA: special.2011.04.26

However,microfinance does show how it is possible to change the lives of women and girls around the world with just a little help.

VOA: special.2010.06.16

World War Two ended. Enrico Fermi had been the first to use a neutron to produce the radioactive change of one element to another.

VOA: special.2009.06.14

The World Bank has predicted adjusting to the effects of climate change will cost up to $100 billion a year until 2050.

VOA: standard.2009.12.17

ICANN says about half the Internet users around the world don't use a Latin-based script as their native language, adding the change will affect billions of potential users.

VOA: standard.2009.11.16

"President Obama embodies the new spirit of dialogue and engagement on the world's biggest problems: climate change, nuclear disarmament and a wide range of peace and security challenges,".

VOA: standard.2009.10.09

"Copenhagen can and must be the turning point in the world's efforts to prevent runaway climate change and usher in a new era of green growth for all,".

VOA: standard.2009.12.17

The alarming prediction that the Himalayan glaciers are receding faster than those in any part of the world was made in a 2007 report by the U.N.'s Intergovernmental Panel on Climate Change.

VOA: standard.2010.01.23

A Royal Society research team member, Jules Pretty, says the team took into account a number of changes that are expected in coming decades, such as climate change, massive rises in world population, and new consumption patterns.

VOA: standard.2009.10.21