Introduction// （導入）
Although eco-tourism might have some downsides, the advantages far outweigh the disadvantages.//

First body paragraph// （メリットを説明）
The main advantage is that we can provide financial support for conservation.// According to a survey, for example, the quality of life among Costa Ricans living in a protected area has improved by 16%, thanks to eco-tourism.// There are also many other areas enjoying eco-tourism revenue.//

Second body paragraph// （デメリットを説明）
On the other hand, there are some disadvantages to eco-tourism, too.// It can change wildlife behavior.// For example, in Kenya, tourist jeeps scare away lions so they cannot get to their food.// As a result, they have to change their hunting habits.//

Conclusion// （結論）
In conclusion, despite the challenges, I believe that the advantages of eco-tourism are far greater than the disadvantages.//