Nützliche Links:

• news and information concerning energy issues http://www.energy.gov
• explains technical things in a popular-scientific way http://www.howstuffworks.com 
• environmental issues of all types accompanied by clear graphics and images; suitable for the acquisition of vocabulary http://www.environment-agency.gov.uk 
• history and timelines on technical developments http://www.greatachievements.org

Stylesheet:

• Information on how to cite in English
  http://www.xmarks.com/s/site/www.bedfordstmartins.com/online/citex.html