This paper draws on case studies in Mali, Nigeria, Tanzania and Vietnam to explore the different ways in which migration intersects with the changing relations between rural and urban areas and activities, and in the process transforms livelihoods and the relations between young and older men and women. Livelihood strategies are becoming increasingly diverse, and during interviews people were asked to describe their first, second and third occupations, the time allocated to each and the income that each produced. In all study regions, the number of young people migrating is increasing.

A Tanzanian reforestation project has become the first forestry investment to be issued carbon offsets under an industry-backed standard that assures investors the emission reductions are credible and long-term.

The Voluntary Carbon Standard said on Thursday the first batch of credits had been issued this week and placed in the VCS registry.

London-based The CarbonNeutral Company, which help

Tanzania

A proposed road through the Serengeti can be halted only by providing a viable substitute, not by criticism. (Editorial)

Fifty years after setting foot in Gombe, Jane Goodall calls for urgent action to save our closest living relatives from extinction in the wild. Conservationists and local people must collaborate, she and Lilian Pintea conclude.

http://www.nature.com/nature/journal/v466/n7303/pdf/466180a.pdf

New ways of thinking about governance are challenging our basic understandings about how we organise ourselves in a world that is increasingly characterised by uncertainty, ambiguity and unpredictability, and about how we should organise ourselves (emphasis added).

The use of water is not based on what can be expected to become available because of the economic cost and the lowering of the water table. There is a need to lower the use of water for personal hygiene and to develop
dry systems of hygiene.

Dar es Salaam has an extensive drain network, mostly with inadequate water flow, blocked by waste, causing flooding after rainfall. The presence of Anopheles and Culex larvae is common, which is likely to impact the transmission of lymphatic filariasis and malaria by the resulting adult mosquito populations. However, the importance of drains as larval habitats remains unknown.

Surface waters in Lake Tanganyika, the second-oldest and second-deepest lake in the world, are currently warmer than at any time in the previous 1,500 years, according to a study published recently online issue of the journal Nature Geoscience.

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