Three countries are to come together for the first time to try to save one of the world’s most endangered species—the mountain gorillas 野生大猩猩 of central Africa. Rwanda, the Democratic Republic of Congo and Uganda will launch projects to improve security for the gorillas. Here’s Sarah Granger.
保护的三种英文表达：save/ improve security/ conserve（下一段）

“The wildlife authorities of all three countries are well aware of how important the gorillas are. Not only are they one of the world’s most endangered species, they are important revenue earner（相同的用法还有，China has become the world's second largest emitter of greenhouse gases). Tourists pay 500 US dollars each for a permit to track and observe the animals. The conservation project will see Rwanda, Uganda and Congo collaborate for the first time on programs to protect the gorillas.”