Global Soil Week: A catalyst for change
As many of you already know, 2015 has been named the International Year of Soils by the UN, so never has there been a better time to get soil into the conversation. The question of ‘how do we make soil sexy?’ is something that has been troubling soil scientists, farmers and NGOs for a number of years, and quite rightly so – we should be worried about the state of our soil.
Issues surrounding soil are yet to enter the mainstream of public concern. But if current rates of land degradation continue, quite soon they will have to. There are many challenges involved in driving the change towards agricultural practices that preserve and build soil fertility, but the gathering at the Global Soil Week (GSW) conference in Berlin last week certainly made me more hopeful. The event brought together young and old, experts and newcomers, all with the overarching aim to raise awareness about the vital need to look after our soils better and to get the issue onto the political agenda.
No one can deny the fundamental importance of soil and its fertility – in fact, you could say that, along with water, it is one of the most important natural resources on earth. It stores approximately 2,000 billion tonnes of carbon globally – three times as much as the atmosphere. And one tenth of the carbon in the atmosphere has come from soil degradation. Our first and most urgent goal must be to stop any more soil carbon being released, helping to warm the planet.
In addition to being the source of 95% of our food, soil is also a key part of global nutrient cycles, and an important sink for atmospheric methane. It’s also essential for maintaining biodiversity above ground, while providing an underground home for 25% of all life on the planet.
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