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Human pressures on the natural world come in many forms. Top among these pressures are large-scale human development projects that impose barriers on species movement. For example, physical barriers can dissuade animals from accessing food, water, mates, and other critical resources. These barriers can block annual or seasonal migration and dispersal routes. Fragmented populations may suffer from

Happy Birthday E.O. Wilson! E.O. Wilson celebrates his 89th birthday on June 10th. Throughout his remarkable life, E.O. Wilson’s insight has motivated people to take action on behalf of biodiversity. From scientists and conservationists, to congresspeople and local communities, to me and you, we are all inspired by E.O. Wilson. Mark E.O. Wilson’s birthday with $89 for 89! Your donation to th

Human activities are placing growing pressure on the biodiversity of Earth’s lands and seas. According to a study published recently in Science, protected areas – such as national parks, wilderness areas, community conserved areas, and nature reserves – are experiencing declines in their ability to protect nature because of the growth of human activities within them. Since the 1992 Ear