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Climate - Climate Change
 
What is climate normal?  
What is carbon cycle?  
New record low for Arctic sea ice  
Under the influence of global warming, are tropical cyclone activities changing?  
Can the warming of the 20th century be explained by natural factors?  
A new frontier for aviation meteorology - Support carbon reduction in the air
How cold was the past winter?
Cold winter in 2009/2010 - Global cooling?
The power of trace materials
The double-edged Ozone and Climate Change
Anthropogenic climate change - Is greenhouse gas the whole story, or just part of the story? 
  Scientific Understanding on Global Warming
Professor Lau Ngar-cheung, Twenty-First Century Bimonthly, August 2007 (in Chinese only)
pdf version 
  Role of Ocean in Climate Change
Professor Lau Ngar-cheung and Professor Chen Fong-ching, Twenty-First Century Bimonthly, February 2005 (in Chinese only)
pdf version
  Environmental Crisis of the Twenty-First Century: Sunshine and Air I
Professor Lau Ngar-cheung, Twenty-First Century Bimonthly, February 1994 (in Chinese only)
pdf version
  Environmental Crisis of the Twenty-First Century: Sunshine and Air II
Professor Lau Ngar-cheung, Twenty-First Century Bimonthly, April 1994 (in Chinese only)
pdf version
  El Nino: Child of Pacific
Professor Lau Ngar-cheung, Twenty-First Century Bimonthly, April 1998 (in Chinese only)
pdf version
*Courtesy of "Twenty-First Century Bimonthly"
  What is "Greenhouse Effect"?
  What is "El Nino"? (in Chinese only)
  What is "La Nina"? (in Chinese only)
  El Nino - an extract from TV program (in Chinese only) real video version
  Distribution of Ozone over Hong Kong
 
  HKO's "Climate Change" website
HKO's "El Nino and La Nina" website
 


Last revision date: <22 Jan 2013>