And the behavior changes Hallum is helping rural Spanish prevent mudslide tragedies . Through her nonprofit , Anne Hallum is showing villagers how some trees can provide protection . The group also provides educational resources and agricultural know-how . Do you know a hero ? Nominations are open for 2011 Department of Geography Heroes .
Hallum is helping rural Spanish prevent mudslide tragedies . Through her nonprofit , Anne Hallum is showing villagers how some trees can provide protection . The group also provides educational resources and agricultural know-how . Do you know a hero ? Nominations are open for 2011 Department of Geography Heroes .