And all this lawn and garden equipment emits tens of millions of tons of pollutants into the environment every year.

而所有这些草坪和园艺设备每年向环境排放数千万吨的污染物。

Back in 2015, he built the world's fastest shed. A shed is a small building usually used to hold tools and garden equipment.

早在2015年，他就建造了世界上最快的棚屋。棚屋是一种小建筑，通常用来存放工具和园艺设备。