Hello can you help me with my assignment?

1. Look a modern economist who has a book or article about environmental economics. And please give introduction about this economist. The title of his/her book and also the summary

2. Also look for 2 economists who critique a book/article of the modern economist you found in number 1, either they disagree or support their theories or works. 2 critique works need for your chosen economist, please include their critique works.