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It is interesting to note that economists put the blame of climate problems on economic market failure. One of the externalities responsible they say is the ' greenhouse gas negative externality'. it is considered a negative externality because the effects of the activities are not felt by the people who conduct these activities but by future generations. So a different party feels the effect which defines an externality.

This article talks about the importance of caring about the environment because this year there have been alarming weather activities possibly caused by climate change: Droughts, floods, the record melting of Arctic ice and the recent Superstorm Sandy. We can´t affirm that this happened because there is a change in the climate but we have to admit that this is one of the possibilities. If we don´t do nothing the situation will be getting worst. The water level is increasing more than we have predicted and many specialists admit that San Francisco and other cities near the coast might be under water in 20 years. Retrospect, we have neglected the full costs and hidden environmental price tags of economic progress. Only if we are aware of the externalities of our actions can we then build a more organic living environment and actively cut down emissions.

As all of us know, our world's population is increasing at a rapid rate. They predict that in 2025, there will be 1 more billion people on earth than their are today. So on average, they are predicting that there will be an increase in population of about 80 million people a year. Our resources that we have right now are already scarce, so it will only get tougher. Reporters say the 3 nations that will be most in need of more water will be China, India, and USA due to population growth, increasing irrigation and economic growth. Reporters also say that the amount of extra water needed is equivalent to 20 Nile Rivers. Failure to find the needed extra water could result in great conflicts over water. Also, with climate change (global warming) this will decrease the amount of available freshwater. Furthermore, the water needs to be sanitized to avoid diseases and sickness being spread. The report said that this could cost up to an extra 11 billion dollars a year. I chose this article because it is clearly related to scarcity and is growing concern in our world that needs to be looked at. 2025 is not very far away, and we need to come up with ideas for producing extra, clean water.

I found this article very interesting, it relates to Green GDP. The Indian government is aiming to use natural resources, and fight global warming, India is one of the most affected countries due to global warming. India's stand in the fight against global warming will let them be in a better position on negotiations about cutting emissions by an average of 5 percent below 1990 levels by 2008-12 which take place in Denmark. India has no obligations to actually reduce emission as it is still a developing countries and as it says in the article it is a "proof of its sincerity in fighting climate change". The Indian governmen t will even consider their Green GDP as part of their economic growth. This won't be an easy challenge for India though due to millions of people living in poverty and having to burn fossil fuels so their lives improve.