Eco-Business: Start the car, turn on the gas under the kettle, shovel some coal on the fire. Each time that happens, another pulse of carbon dioxide is released into the atmosphere − and in just 10 years, that newly-released gasp of greenhouse gas turns into global warming.
Scientists at the Carnegie Institution for Science in the US have calculated for the first time a precision figure for the average lag between a carbon emission and its effect on the planetary thermometer.
That there is a lag, no...