"Swamp gas bubble responsible for massive explosion in suburban area"
i'm sure it wouldn't be terribly difficult to acheive a news ticker, the hard part would be making it relevant.
The easiest way would just be to use it the same way Xenonauts did, alerting the player to relations-damaging events across the globe. It increases immersion but also is a handy way to see exactly what the UFOs do when you let them get away.
You could make the news region-specific.
terrains: - name: NATIVE# hemisphere: -1 regions: [STR_SOUTH_AMERICA STR_SOUTH_AMERICA STR_AUSTRALIA]
terrains: - name: EIFELL_TOWER# hemisphere: 1 regions: [STR_FRANCE]
terrains: - name: PYRAMID# hemisphere: 1 regions: [STR_EGYPT]