Saturday, 1 December 2012

what are mitigation strategies?


My next few posts are going to move back to current issues surrounding agriculture, and discuss possible mitigation strategies to help reduce the impact of climate change in the future.  

Mitigation strategies aim to reduce the effects of global warming, either through decreasing concentrations of greenhouse gases, wither by reducing sources of emissions or by increasing sinks.  

Mitigation strategies have developed significantly in recent years since the climate change consensus.  This is where scientists now agree that recent changes such as the increase in global temperatures, are a result of anthropogenic forcing and humans are having a significant enough affect on the world to alter the climate.  

Climate modelling is important in creating mitigation strategies.  This is where different scenarios are projected to predict the effect on various parameters, for example temperature and precipitation patterns.  Climatologists use various scenarios, anywhere between those projecting what would occur if we carry on emitting greenhouse gases as we are with no reductions, to stopping emissions completely.  Modelling makes it possible to project the level concentrations of greenhouse gases need to be reduced to lessen the effect on climate change which is important in determining viable mitigation strategies.  

I am going to discuss mitigation strategies relating to agricultural emissions.  The IPCC gives good background information into what I am going to look at.  In particular I will focus on those surrounding deforestation, rice cultivation, livestock and nitrogen fixing in my following posts.  

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