%26quot;At least 10 to 30 percent of global warming measured during the past two decades may be due to increased solar output rather than factors such as increased heat-absorbing carbon dioxide gas released by various human activities%26quot;
http://earthobservatory.nasa.gov/Newsroo... 29% 2 Votes
if you really want to make a difference you will only have 1 kid.. or none...
1 kid IS population growth, because unless you die at child birth, you have added another life.. but 1 kid isnt as bad as 2 or 3... 0% 0 Votes
