US Agriculture under Climate Change: An Examination of Climate Change Effects on Ease of Achieving RFS2

Table 2

Projected adaptation-adjusted climate change effects on switchgrass versus corn yields in percentage changes, 2030.

	Hadley			Canadian
Region	Switchgrass	Corn		Switchgrass	Corn
		Dry	Irrig.		Dry	Irrig.
Corn belt	3.98	10.14	−3.25	−15.57	8.84	−7.78
Great plains	3.59	19.20	−3.18	−5.64	18.10	−6.20
Lake states	2.01	50.92	40.45	−3.95	55.20	47.37
Northeast	1.34	5.16	−3.80	−11.40	−0.41	−8.70
Pacific northwest east	27.54	17.60	−2.50	10.46	19.20	−7.30
Pacific southwest	30.96	17.60	−2.50	46.86	19.20	−7.30
Rocky mountains	8.21	25.55	−4.00	9.86	21.95	−8.80
South central	−16.72	7.60	−1.23	−44.25	−2.61	−14.56
Southeast	−17.70	3.60	2.10	−41.50	−8.20	−15.80
Southwest	−11.31	11.60	−3.60	−19.09	3.60	−14.50

Data based on the U.S. National Assessment [10].