Fragile planet: Today marks the 150th anniversary of the publication of Darwin's On the Origin of Species, inspired by a research trip to the Galapagos Islands. Toni Darton, chief executive of the Galapagos Conservation Trust, outlines how she is trying to ensure a sustainable future for the Islands


World Aids Day: December 1 2009 is World Aids Day, covered in a special feature in the latest Guardian Weekly. Here, Rafael, 17, describes what it is like to be among Brazil's first generation of people who have always lived with HIV

21st century life: The year 2009 marks the 50th anniversary of a failed uprising against Chinese forces in Tibet, which led to the exile of the 14th Dalai Lama to India along with 80,000 Tibetan refugees

Editors' blog: Mark King presents a selection of the best of the web this week, from firing up the Large Hadron Collider to a HIV/Aids health campaign featuring presenter Konnie Huq

ServingOurWorld.org:
East Timor is at a critical stage we know cause we have projects in remote ...

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