Figure 4From: Research on Emissions, Air quality, Climate, and Cooking Technologies in Northern Ghana (REACCTING): study rationale and protocolTraditional and improved stove technologies being compared in the REACCTING study, shown with Stove Use Monitors (SUMs) attached. Top left: traditional three-stone stove. Top right: traditional charcoal stove. Bottom left: Philips Smokeless Stove, Made in Lesotho (Southern Africa), Cost: ~US$125. Bottom right: Gyapa Wood-Burning Stove. Made in Accra. Cost: ~US$15-25.Back to article page