Go to the EndNote web site:
Register and Log in:
Once you log in, you will see your "References":
Create a new group "Climate."
Click the tab "Organize" and select "Manage My Groups" in the drop down:
Click "Create New Group":
Step Three: Move the citations you want to move to the Climate group.
Go to "Format" in the ribbon above your references.
Enter data in the drop down boxes that open.
This is what "Save" produces: