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Economies with average per-capita GDP of about one-fifth that of developed countries must tackle the challenge of equitable growth , since this appears to be a requisite for reducing the development gap with richer economies . Realizing this vision of a global , decentralized , user-controlled medium poses many challenges , but among the most fundamental of these is the challenge of equitable access . Further policy changes still need to happen if the challenges of equitable environmental governance are to be met . And while a resolution of the challenge of equitable health access was neither anticipated nor achieved , important practical steps were taken toward the establishment of a common vision that the price of drugs should not be allowed to stand as a principal barrier to achieving that goal . CARL / ABRC feels strongly that the challenge of equitable access to published scholarly research , especially in the field of science publishing , is a major issue confronting the world 's research libraries . " " CARL / ABRC feels strongly that the challenge of equitable access to published scholarly research , especially in the field of science publishing , is a major issue confronting the world 's research libraries , " said Marnie Swanson , president of CARL / ABRC .