The low-carbon economy is guided by sustainable development theory, through technological innovation, institutional innovation, industrial transformation, new energy development, and other means to minimize the consumption of high-carbon coal and petroleum energy, reduce greenhouse gas emissions, and achieve social and economic development A win-win situation with ecological environment protection. Based on the above definitions, which of the following is that do not meet the concept of a low-carbon economy? ['A food, oil and food company vigorously promotes green food (pesticides/fertilizers).', 'Solar panels are installed in the houses of a certain community.', 'An air-conditioning company introduced a low-energy-consumption air-conditioning production line.', 'Construction of wind power stations in barren mountains, beaches and meadows.']