Global Environment Changes

• Hot topics: climate change, by the BBC
  
• WWF's climate change programme
  
• New Scientist's climate change section
  
• The EPA's global warming site
  
• The UNEP's climate change site
  
• The Washington Post's report on global warming
  
• Warming to cause catastrophic rise in sea levels?, by National Geographic
  
• Ozone: What is it, and why do we care about it?, a NASA factsheet