Some research is done on crop production and climate-change-related issues. The development of water economy technologies such as bio-agriculture can be used to reduce the pressure on water resources and production costs in terms of ecology and economy. In 2010, the emissions from fuel combustion arose mostly from electricity and heat production (66 per cent), followed by the transport (14 per cent), manufacturing industries and construction (12 per cent) and residential (7 per cent) sectors.