La demanda de biocombustibles se está incrementando debido a la necesidad cada vez mayor de energéticos, el alza en el costo del petróleo, la búsqueda de fuentes de energía renovables y no contaminantes y el deseo de aumentar los ingresos agrícolas en los países en desarrollo. Asimismo, ha aumentado en forma drástica la necesidad de contar con cultivos, como el maíz y la caña de azúcar, que pueden utilizarse como materia prima para producir biocombustibles. Esta demanda ha tenido a nivel mundial un impacto significativo y cada vez mayor en los sistemas alimentarios.

High food prices are not only causing a humanitarian crisis, but also putting at risk the development potential of millions of people. Global agriculture markets are undergoing structural changes, and the next three to four years will pose great challenges for achieving an affordable and accessible food supply for the world's most vulnerable. Soaring food and fuel prices are creating a "perfect storm" for the world's most vulnerable.

"Part of the difficulty in responding to the food crisis is the lack of credible and up-todate data on the impacts of food prices on poor people and on the effects of policy responses. Such information would allow international and national decision makers to use feedback to adjust their responses and achieve maximum effectiveness. Much more investment and sound coordination is needed in this area. So far, national and international responses to the food crisis are mixed in terms of their likely effectiveness.

Although wild natural resources are a standard dietary component in southern Africa, little information exists on these resources' specific role in the maintenance of household food security among HIV-impacted households. In this context, the influence of cash savings or income generated through use or sale of natural resources (e.g., using fuelwood instead of electricity to be able to afford to buy food) is also not known.

"The dramatic rise and volatility of food prices over the last year have shaken the global food system. Governments and the international development community generally have responded to various aspects of the food crisis, but questions remain about whether the right actions are being pursued, how best to respond, and what the future holds.

Since President Soeharto stepped down, decentralization has offered a better governance system for this nation of more than 220 million people of varied ethnic groups spread over more than 15,000 islands. Despite its potential, implementation of decentralization has been riddled with unexpected problems. Decentralization turned out to have created problems, ranging from conflicts among people who refused regional fragmentation, conflicts between newly-created districts and the original, larger district from which they were created, and between local and central government.

Cooking and lighting from home-made gas

How livestock can improve on-farm energy flows

Briquettes made from waste charcoal dust