C++ How to Program, 10/e

Making a Difference

Throughout the book we’ve included Making a Difference exercises in which you’ll be asked to work on problems that really matter to individuals, communities, countries and the world.

1. 1.8 (Test Drive: Carbon Footprint Calculator) Some scientists believe that carbon emissions, especially from the burning of fossil fuels, contribute significantly to global warming and that this can be combatted if individuals take steps to limit their use of carbon-based fuels. Various organizations and individuals are increasingly concerned about their “carbon footprints.” Websites such as TerraPass

   
   http://www.terrapass.com/carbon-footprint-calculator-2/
   

   and Carbon Footprint

   
   http://www.carbonfootprint.com/calculator.aspx
   

   provide carbon ...