Article writing homework help

Only cite from the given article
you have to complete the following reading:
Simon Nicholson, The Promises and Perils of Geoengineering. In State of the World 2013: Open in case of emergency, pp. 317-331, 2013.
short answers to the following questions (more than 100 words per question):
1.Briefly describe one of the geoengineering techniques presented in the paper.
2.What are the author’s main objections to geoengineering?
3.What is your position with respect to geoengineering, especially in the light of recent events?