PACKAGING WASTE - We take a look at recycling the packaging of both business and domestic waste. RECYCLING SLUDGE - The University of Teesside has developed an environment solution for orche sludge from the Skinningrove Iron Mine. MEXICO TIRES - Governments are developing projects aimed at recycling old tires. BATTERY RECYCLING - In the UK a nationwide recycling plan that will eliminate 51 million batteries from landfill sites. MOBILE PHONE RECYCLING - We look at biodegradable mobile phones. CHINA WATER PURIFICATION - We look at projects to recycle rainwater. RECYCLING - In Buenos Aires, there's a train called 'El Cartonero'; it runs from industrial rustbelts to the capital's wealthier districts to transport 'Cartoneros' - people who collect 'carton' or 'cardboard' to recycle to earn a living. RECYCLING SHIPS' CAMPAIGN - A British campaign to recycle old ships in the UK instead of sending them to poor countries to be recycled.