1. In reality, the earth doesn't need to be saved.
    事实上，地球并不需要我们去拯救。

2. In reality, increases in solid waste are based largely on the mathematics of households, not individuals.
    实际上，固体垃圾的增长主要是以家庭为单位，而不是以个人为单位。

3. Finally, death entered my life as a direct reality.
    最后，死亡这个直白的现实进入了我的生活。