You will be given a definition of a task first, then some input of the task.
In this task, you are given a statement spoken by a politician in natural language. Your task is to generate the subject of the discussion for the given statement. The subject generated is not necessarily a part of the given input. Your answer should contain one or more words.

If President Obama signs the Copenhagen climate change treaty, he "will sign your freedom, your democracy, and your prosperity away forever and neither you nor any subsequent government you may elect would have any power whatsoever to take it back again."
Output:
environment