a free e-book about 100 pages
How water and land use affects climate, globally, regionally, locally, and micro
an easy to read scientific approach (fear not, very little math or science jargon)
http://www.waterparadigm.org/download/Water_for_the_Recovery_of_the_Climate_A_New_Water_Paradigm.pdf
Water for the Recovery of the Climate - A New Water Paradigm
and if one is patient, permaculture principles do show up