Coastal marine ecosystems are at risk worldwide as a result of human activities, according to scientists at UC Santa Barbara...
A new report of scientific findings confirms not only that human activity is the primary cause of rising temperatures, but that climate change impacts are accelerating.
There is a growing understanding that environmental degradation, inequitable access to natural resources and transboundary movement of hazardous materials increase the probability of conflict and thereby pose a risk to human and even national security.
Food security has deteriorated since 1995 and reductions in child malnutrition are proceeding too slowly to meet the Millennium Development Goal (MDG) target for halving hunger by 2015. Three major challenges threaten to drastically complicate efforts to overcome food insecurity and malnutrition: climate change, the growing use of food crops as a source of fuel and soaring food prices