Dear Editor, – In his recent letter (PA, April 9) John Ferguson suggests that without a new incinerator at Binn Farm we’ll have to send biodegradable waste (mostly food, paper/card and garden waste) to landfill where it will rot and produce the powerful greenhouse gas methane. This is simply not true. Biodegradable waste can be recycled or treated by composting or anaerobic digestion, which emit no methane to air, and barely a tenth of the CO2 of incineration.Read