solar matter can warm up the land
warm_things is not_cool_things. earthling is solarian. when_people_pollute_earth is hurting_earth. people_believe_world is getting_warmer. global_warming is heating_air. sunlight has effect_of_heating_earth thermals is rising_currents_of_warm_air. sun's_light is what_heats_earth. greenhouse_gases is causing_world's_temperature_to_rise. partially_blocking_sunlight has effect_of_cooling_earth