Sustainable agriculture integrates three main goals, environmental health, economic profitability, and social and economic equity. These goals have been defined by a variety of philosophies, policies and practices, from the vision of farmers and consumers. Perspectives and approaches are very diverse, the following topics intend to to help understanding what sustainable agriculture is.
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iTunes
Windows media player[?]
DRM and document restriction technology
Opponents of DRM have noted that the proposed use of some DRM schemes ...