smoke from volcanic eruptions can disrupt sunlight from reaching earth 's surface
greenhouse_effect is atmospheric_phenomenon. smoke_emission is spewing. lighting_fire has effect_of_making_smoke volcanic_eruption is emitting. volcanic_eruption is discharge. eruption is emergence. blocked_sunlight has powerful_effect_on_microclimate sunlight has effect_of_heating_earth volcanoes has violent_eruptions partially_blocking_sunlight has effect_of_cooling_earth