Its data are used to improve knowledge of the sun's role in global change.

The country has been spending about $1.7 billion a year for more than a decade on global change.

Global change is changing our environment: but where and how exactly?

Is there anything I can do to about global climate change?

But, in the last 20 years there has been an enormous international research effort to understand global change and the Earth system.

In light of this potential global change, are we being realistic?

Its mission is to support emerging leaders for global change.

Clearly "global climate change" would have been a better name.

Their mission: to provide millions of people access to information about global change.

"Global environmental change may well be the most pressing international issue of the next century," it said.