Just once I would like to read an article which outlined definitely that whatever measure we are now doing will actually reduce the temperature or change the climate. We have been at this now for over twenty years and all reports say that there has been no change. What does that say about what we are doing ? I fully realize that change takes a long time, but there will no one around to be responsible for what we are doing if it doesn't work. Saying we have to do something, is not the same as saying what we are doing is working. Putting  a tax on carbon doesn't mean people will stop what they are doing, it just means they will pay more. Solar and wind power are still minuscule in terms of the world power, and the electric car market is still in its infancy, regardless of the hype. People should look at the planet and seriously question whether these token efforts are sufficient to change global temperatures. It is the ultimate arrogance, to think we can control climate.