We do not know how much our climate could or will change in the future.

Then the climate changed, and all the water went away.

But the political climate has changed in the last five years.

The climate and culture of the school changed over the past two years.

By the turn of the century, the climate had changed.

The climate has changed since his early years on the Court.

When the social climate changed, so did his subject matter.

The political climate in this country has changed so much.

But by the early 1900's, the political climate had changed.

The climate had changed a lot in thousands of years.