atmosphere: n. 大气，空气

admittedly: adv. 诚然

undeniable: adj. 不可否认的

categorize: v. 分类，加以分类

cutting-edge: adj. 前沿的

substitute: n. 替代品

fossil fuels: 化石燃料(包括煤、石油、天然气等)

guarantee: v. 保证

pert: v. 转移，转向

万能句型：

The cartoon Psents ... with a personified human face that seems...

A examination of the picture immediately reveals that...

The cartoon, no doubt, aims at alarming to humans of...

I would like to make the following proposals to solve this problem ...

We should apply the most cutting-edge technologies in order to...