This peat soil in Sumatra, Indonesia, was formerly a forest. Clearing and draining such land releases huge amounts of greenhouse gases. Ulet Ifansasti/Getty Images hide caption toggle caption Ulet Ifansasti/Getty Images The Salt Deforestation Opponents Enlist Powerful Ally: Big Food. But There's A Catch November 3, 2016 Hundreds of food companies have promised to keep their suppliers from cutting down forests. A global coalition of environmental groups is watching to see if the companies are keeping their promises.