"The DOE study concluded that the gains were smaller in the South than in the North, likely due to increased air conditioning effect," Dowd said.
“能源部的研究结论是，这种节能效果在北方比在南方更为显著，这很可能是由于空调使用的增加。”杜德说。
2
These have a cooling effect on the climate, and removing this effect will increase the sea surface temperature in the North Atlantic relative to the South Atlantic.
这些二氧化硫对气候具有致冷效应，清除这种效应将使北大西洋相对于南大西洋的海洋表面温度增加。
3
Researchers think it's the effect of convection currents in our planet's molten interior that causes the entire Earth to behave as one gigantic magnet, with a North and South Pole.