[简答题]Happy Earth Day
The Good News
Here’s the good news: our air is cleaner, our lakes are purer, our forests are healthier, endangered species are recovering, toxic emissions are down, and acid rain has diminished dramatically. And yet, if you’ve looked at a newspaper or watched the evening news lately, you might think our environment is under siege (围攻). Media Coverage of the environment is heavy on doomsday, but the truth is not at all bleak: nearly all environmental trends in the United States are positive and have been for years—if not decades.
Eco-legislation, green organizations, corporate cooperation and new inventions have all quietly steered our environment in a positive direction. We can’t afford to be complacent (自满的), though—especially when it comes to greenhouse gases, since global warming is the one huge problem we haven’t really tackled. But almost every measure taken by government agencies and grass-roots efforts to improve the environment has