UNEP - UN Environment Programme

Protecting biodiversity, Norwegian style By Gudrun Schneider and Øyvind Andreassen, Ministry of Climate and Environment, Norway; and John Crump, GRID-Arendal In the years since the adoption of the Convention on Biological Diversity in 1993, evidence has mounted that biodiversity around the world is in trouble. During this time, numerous studies have found that the rate of extinctions is increasing.

Environmental Biology Sequence - Ecosystems Overview Roles of Organisms Energy Flow Through Ecosystems Food Chains and Webs Pyramids - Biological Magnification Human vs. Sustainability, Corporate Social Responsibility Network and Consultancy Table of Contents Letter From the CEO The State of Sustainable Business World Climate Research Programme (WCRP) ited Nations Statistics Division - Energy Statistics January, 2014 The Annual Questionnaire on Energy Statistics is part of the regular UNSD data collection programme. It covers statistics on production, conversion and consumption of energy resources and products.

“Wetlands and Biodiversity” thème de la journée mondiale des zones humides 2020 World Wetlands Day marks the date of the adoption of the Convention on Wetlands on 2 February 1971 in the Iranian city of Ramsar on the shores of the Caspian Sea. The 2020 theme for World Wetlands Day is an opportunity to highlight wetland biodiversity, its status, why it matters and to promote actions to reverse its loss. According to The Ramsar Convention, “wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low tide does not exceed six metres.” Fish ponds, rice paddies, depollution and stabilization ponds, and saltpans are human-made wetlands.

Earth Dashboard World Resources Institute VolcanoDiscovery: volcanes en el mundo - noticias, información, fotos y excursiones a los volcanes y zonas volcánicas, terremoto