Google has a service called Alerts that will monitor News, Blogs, Web, Videos, Groups, or aggregate of all five.

When you set up an alert, you choose terms to follow, what you want to monitor, the frequency at which you wish to receive the alert, and enter an email address to send the alert to.

When your terms and the type of post you are monitoring is discovered by the service, an alert is sent to the email address you've assigned to the alert.

Nonprofits (and others) can use the Alerts to: