The effects of climate change on biodiversity are increasingly well documented, and many
methods have been developed to assess species' vulnerability to climatic changes, both …

Most large terrestrial mammals, including the charismatic species so important for
ecotourism, do not have the luxury of rapid micro-evolution or sufficient range shifts as …

Esta obra evalúa la degradación del medio ambiente, el crecimiento rápido de la población
mundial y una pobreza extrema que amenazan la paz y la properidad mundiales, y …

Humans have always used denial. When we are afraid, guilty, confused, or when something
interferes with our self-image, we tend to deny it. Yet denial is a delusion. When it impacts on …

Projections of polar bear (Ursus maritimus) sea ice habitat distribution in the polar basin
during the 21st century were developed to understand the consequences of anticipated sea …

Summary Background Polar bears (Ursus maritimus) are among those species most
susceptible to the rapidly changing arctic climate, and their survival is of global concern …

Polar bear (Ursus maritimus) populations are predicted to be negatively affected by climate
warming, but the timeframe and manner in which change to polar bear populations will …

Polar regions have experienced significant warming in recent decades. Warming has been
most pronounced across the Arctic Ocean Basin and along the Antarctic Peninsula, with …

Under current climate trends, spring ice breakup in Hudson Bay is advancing rapidly,
leaving polar bears (Ursus maritimus) less time to hunt seals during the spring when they …

Marine mammals are common, highly visible, and charismatic species that are potentially
vulnerable to oil contamination, yet we know surprisingly little about the effects of oil on …