英语听力精选进阶版 14433（在线收听）

Obama to announce new pollution targets for power plants

Vocabulary

curb

control, cut or limit (something harmful)

fossil-fuelled

using coal or oil

power plants

power stations; places where electricity is made

ambitious

challenging, difficult and needing a lot of effort

tackle

deal with

targets

(here) levels or aims

fiercely oppose

strongly disagree with

drive up

cause an increase

legacy

achievement that will be remembered in the future