He also pointed to the fall in household emissions as proof that government policies were beginning to have an effect. (politics.co.uk)
A billion - dollar scheme to reduce household emissions in the Czech Republic costs five times as much per ton of carbon dioxide (CO2) as some European industries need to spend to achieve the same cuts, government data showed. (scientificamerican.com)
They concluded that, over 10 years, shifting behavior could save 123 million metric tons of carbon dioxide, or 20 percent of household emissions in the United States, «with little or no effect on household well - being.» (dotearth.blogs.nytimes.com)