The current drought in northern Kenya has deep roots in the current practices of pastoralists that need to be addressed, says conservationist David Western.

South Africa must build bottom-up needs-based policies for communal livestock grazing, says agricultural researcher Monique Salomon.

Livestock genebanks are needed to ensure the world's future food supply, says livestock expert Carlos Seré.

A comprehensive and interconnected global strategy is needed to ensure sustainable food security, say H. Charles J. Godfray and colleagues.

Simply reducing livestock farming in developing countries will neither cut emissions nor benefit the poor, says livestock expert Carlos Seré.

Pilot projects in India and Nigeria point to possible benefits of a new approach to agricultural innovation, say Andy Hall and Susanna Thorp.

The current swine flu outbreak is linked to how we produce food, argues Sunita Narain, editor of the Indian science magazine Down to Earth.

Worries that meat consumption is driving climate change should not be allowed to impact on farming in poor countries, says Carlos Sere.

Strong international policies are needed to stop the biofuel revolution threatening food security for the poor, says Siwa Msangi.

There is a history of resistance to the adverse effects of climate in Africa — so damage isn't inevitable, argues Katharine Vincent.

Public engagement is as vital as technological breakthroughs in controlling animal disease epidemics, says Jakob Zinsstag.

The African media can play a crucial role in communicating climate information to the public, says Patrick Luganda.

The world badly needs a comprehensive, public database of information on bird flu outbreaks in people and animals, says a Nature editorial.