This study aimed to discuss environmental sustainability issues of the Brazilian agricultural sector, regarding aspects such as the impacts of the sector's growth on the natural environment, current policies and strategies needed to mitigate these impacts. Historically, agricultural policies...

Although agriculture is important for the livelihood of most Africans, especially the poor, donors did not accord it a high priority. Both volume and share of aid earmarked for agriculture in sub-Saharan Africa not only remained low, around five per cent, but continuously declined beween...

Agriculture faces three challenges in the coming decades. Agriculture faces an agronomic challenge in producing the food, fiber, and fuel for an increasing population. Agriculture faces an environmental challenge in producing this food, fiber, and fuel with a reduced footprint so as to conserve...

This paper shows some relationships among economy, environment and natural resources. The concept of sustainable development is discussed, as well as its evolution along the time and the two competing approaches on this question. The paper also evaluates the connection between natural capital...

We develop and formalize a utilitarian notion of responsibility for sustainability which is inspired by Singer‟s (1972) principle and the Brundtland Commission‟s notion of sustainability (WCED 1987). We characterize this notion of responsibility through necessary and sufficient conditions,...

The paper provides an introduction to energy, respective resource, use within the framework of endogenous growth models. We provide an overview of different modeling approaches as well as intuition with respect to the results obtained. We consider the source problem, i.e., the supply of energy,...