The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policyma

While sponges represent a very simple group of organisms, which are represented by over 8000 species, there is considerable interest in the increasing role they

Rivers around the world are threatened by changes in land use, climate, hydrologic cycles, and biodiversity. Global changes in rivers include, but are not restr