1. On Youth action:
   
   
   
   • The sierra club: http://www.sierraclub.org/
     
   • Youth for environmental sanity (YES) –youth-led organization: http://www.yesworld.org/
     
   • Envirolink –utilises the power of the internet to mobilize young people: http://www.envirolink.org/connect
     
   • GLOBE –young people worldwide measure weather, soil and water indicators: http://www.globe.com/
     
   • Green peace – first stop for the environmental campaigners: http://www.greenpeace.org/
     
   • Friends of the Earth – well – established site with many campaigns to join: http://www.foe.org/

2. On Global environment
   
   
   
   • united nations environment program: http://www.unep.org/ and http://www.unep.net/
     
   • world health organization – increasingly diseases are linked to unsafe environments: http://www.who.int/
     
   • the IISD site covers many UN processes and issues the Earth Navigations Bulletin: http://www.iisd.ca/

3. On Energy and climate change:
   
   
   
   • A comprehensive review of renewable energy opportunities available: http://www.solarenergy.org/
     
   • Global information on alternative energy: http://solstice.crest.org/
     
   • climate change is influenced by many interacting processes: http://www.chooseclimate.org/jcm/index.html

4. On Atmosphere:

·        the official  site for the implementation of the Montreal protocol: http://www.unmfs.org/

·        world meteorological organization – report on the ozone layer: http://www.wmo.ch/web/arep/ozone.html

·        visualizations of the ozone hole: http://www.cpc.ncep.noaa.gov/products/stratosphere/tovsto/index.html

5. On Freshwater:

·        Aquanova – network for the water industry: http://www.aquanova.net/english/welcome.html

·        Global water partnership forum: http://www.gwpforum.org/servlet/PSP

·        World water council: http://worldwatercouncil.org/

·        GREEN – international teachers and students network on river basin conservation: http://www.green.org/

·        Information-sharing website: http://www.waterweb.org/

6. On Land and food:

·        United nations convention to combat desertification: http://wwwunccd.int/

·        The official website of the food and agriculture organization (FAO): http://www.fao.org/

·        NASA – wonderful images of the earth from space: http://www.nasa.gov/

·        World hunger programme: http://www.brown.edu/departement/world_hunger_programme

7. On Biodiversity:

·        Convention on biological diversity: http://www.biodiv.org

·        World conservation union(IUCN) – well known for” red lists”: http://www.iucn.org