Scientists predict that even if atmospheric greenhouse gas concentrations were to remain at current levels, additional warming of Earth is unavoidable.
Explain two mitigation approaches (one regulatory and one economic incentivee)
that are currently being employed.
Question 2
The Sustainable Duke program, begun in 2007 in order to reduce Duke University's net greenhouse gas emissions, was able to accomplish an approximate ________ reduction by the end of 2009.
A) 20 B) 1 C) 50 D) 10 E) 0