BBC
Bbc World Service: The Story of Africa: Slavery: Resettlement of Freed Slaves
Discusses the resettlement initiatives in the 1800s when freed slaves were sent to live in Sierra Leone and Liberia in Africa, and some of the difficulties they faced there.
BBC
Bbc News: Science and Environment
The British Broadcasting Corporation maintains daily coverage of the latest in science and environment across the globe. Content includes headline news, in-depth articles, audio and video coverage, plus much more.