... . These chemicals are known as greenhouse gases; some of the most common ways in which greenhouse gases are emitted include from the combustion of fossil fuels in cars, factories and electricity production. The most common and harmful greenhouse gas is carbon dioxide, or CO2. Carbon dioxide and other greenhouse gases are responsible for the many growing holes in the ozone layer ... ...
... have pledged to cut down on their CO2 emissions. Various energy conservation bills are being passed by a number of US states, like California, which have resulted in reducing the state's electricity use and CO2 emissions. Various cities have also pledged to cut their greenhouse gases emissions, like San Francisco, Los Angeles, New York and many other cities as well. So what ... ...
... atmosphere but then the question is "Where to put it?" Researchers suggested to put it into empty gas and oil wells but that would cost a lot of money and the electricity price would increase by 30%. Putting it into oceans by removing it from exhaust gas, compressing into pipes would cost even more. It would also result in unknown side effects ... ...
... , such as solar and wind power which could dramatically reduce global warming pollution. California, for one example, is required for its largest utilities to get about 20 percent of their electricity from renewable sources. This should be required for others states, as well. The second largest source of global warming pollution is automobiles. There are many technological advances in the automobile ... ...
