Saving the life of farmland soilsDepleted of organic matter as a result of land clearing and agricultural production, Australia's farmland soils are at increasing risk of becoming sterile, reducing the viability of both agricultural and surrounding natural systems. Now the emerging industry of organics recycling is assisting by returning nutrients in compost harvested from the refuse in our more urbanised areas.
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Leading climate researcher Barrie Pittock revisits the effects that global warming is having on our planet.