Warmer and drier weather leads to dangerous fire conditions.

　　更溫暖干燥的天氣導(dǎo)致了危險的.火災(zāi)情況。

　　Which makes earth, and in particular, the northern hemisphere, warmer.

　　這使得地球變暖了，尤其是北半球地區(qū)。

　　However, Martinson argues, the effect of a warmer atmosphere may be offset as follows.

　　然而，馬丁森認(rèn)為，氣候變暖的影響可能會以以下方式被抵消。