By painting buildings white, cities may slow down the warming process.

将建筑物涂成白色，城市可能会减缓气候变暖的进程。

Davis, who grew up in a predominantly Black neighborhood in Baltimore, says he experienced racism for the first time only in 2017 after he left to attend college in predominantly white Garden City, Kans.

戴维斯在巴尔的摩一个以黑人为主的社区长大，他说自己直到2017年才第一次经历种族歧视，那是在他离开堪萨斯以白人为主的花园城上大学之后。