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Environment

Northern bird habitat

Today's Geo Quiz is for the birds. The Great Backyard Bird Count gets under way this weekend. The idea is to report on what's on view in your backyard. Miyoko Chu of the Cornell Lab of Ornithology explains why counting birds is important.

Development & Education

Earthquake hits New Zealand

New Zealand's second biggest city, Christchurch, has suffered its second earthquake in the past five months. Anchor Lisa Mullins speaks with Peter Mitchell of the National Civil Defence Centre, who's coordinating the response to the crisis.

Conflict & Justice

Egyptian artifacts

Egypt's famous ancient treasures and sites were in danger as the country's police collapsed amidst massive protests calling for democracy. The tourists have begun trickling back and authorities are taking stock. The World's Ben Gilbert reports from Cairo.