In the Thinking Green Box,"Socially Responsible Entrepreneurship

In the Thinking Green box,"Socially Responsible Entrepreneurship",:

A) Gary Hirshberg explains how he turned Kraft Foods into an eco-friendly company.
B) Gary Hirshberg explains the difficulties that companies experience in their attempts to be socially responsible,and talks about what he learned from his business failures.
C) Gary Hirshberg explains that environmentalism and business still don't mix due to the high investment costs in re-tolling manufacturing sites to be more eco-friendly.
D) Gary Hirshberg proves that environmentalism and business can cohabitate and even turn a profit.