solar energy can warm up the air
solar_power is clean_renewable_energy_source. partially_blocking_sunlight has effect_of_cooling_earth heating_air is heating. people_believe_world is getting_warmer. sunlight has effect_of_heating_earth thermals is rising_currents_of_warm_air. global_warming is heating_air. summer is warm_season. geothermal_energy is heat. solar_heater is heater.