ZAMBIA: A slow start to saving the trees

LUSAKA Wednesday, December 03, 2008 (IRIN) - Zambians are gradually turning to greener energy technologies to save trees after suffering years of extensive flooding and droughts, which could slow the impact of climate change. Charcoal-fed braziers are being replaced by those burning briquettes made of treated coal waste, which are smokeless and emit low levels of sulphur dioxide gas. Biogas, a mixture of methane and carbon dioxide produced by fermenting organic matter like animal or human...