ththnearby teaea plantation n ao needs watetering twice a d day. normally the plants don't require irrigation, but for the past six months there's been no rain. the tea fafaory is the region's largest employer - and it illustrates the dilemma faced by the people here. tea production uses lots of electricity, water and firewood. the tea leaves are dried using hot steam. 350 kilograms of tea consume a cubic meter of firewood. the factory manager has now installed new, more efficient ovens. >> so we cut down the use of firewood by 47 percent. we're working with the forestry and the team there to try and look at better yielding varities of blue comb trees that we use less land and be able to provide us with the required firewood. >> the region needs reforestation to help maintain the local water cycle. hydroelectric power is playing a growing role in rwanda. 40% of the country's power comes from water, so hydropower is also suffering from the lack of rainfall. >> the water level is lower than it used to be, so operating the power plant has become more