Environment:
This time I pick even more images from 4 different site
GoW2
http://images.gamersyde.com/gallery/public/9476/1560_0001.jpg
http://images.gamersyde.com/gallery/public/9476/1560_0009.jpg
http://images.gamersyde.com/gallery/public/9476/1560_0006.jpg
http://images.gamersyde.com/gallery/public/9476/1560_0016.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111547098.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111633254.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111639691.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111442490.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111620504.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111435771.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111554270.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111446349.jpg
http://xbox360media.ign.com/xbox360/image/article/919/919698/gears-of-war-2-20081014111608207.jpg
http://www.1up.com/media/03/6/4/2/lg/561.jpg?r
http://www.1up.com/media/03/6/4/2/lg/562.jpg?r
http://www.1up.com/media/03/6/4/2/lg/533.jpg?r
http://xbox360media.gamespy.com/xbox360/image/article/938/938476/gears-of-war-2-20081215113639628.jpg
http://xbox360media.gamespy.com/xbox360/image/article/938/938476/gears-of-war-2-20081215113620128.jpg
http://xbox360media.gamespy.com/xbox360/image/article/925/925962/gears-of-war-2-20081031114115105.jpg
KZ2
http://images.gamersyde.com/gallery/public/9001/1306_0012.jpg
http://images.gamersyde.com/gallery/public/9001/1306_0005.jpg
http://images.gamersyde.com/gallery/public/8363/1306_0002.jpg
http://ps3media.ign.com/ps3/image/article/935/935547/killzone-2-20081203111732822.jpg
http://ps3media.ign.com/ps3/image/article/935/935547/killzone-2-20081203111750494.jpg
http://ps3media.ign.com/ps3/image/article/900/900613/killzone-2-20080820100319662.jpg
http://ps3media.ign.com/ps3/image/article/900/900613/killzone-2-20080820100332521.jpg
http://ps3media.ign.com/ps3/image/article/906/906862/killzone-2-20080901052338642.jpg
http://ps3media.ign.com/ps3/image/article/900/900613/killzone-2-20080820100343943.jpg
http://ps3media.ign.com/ps3/image/article/815/815434/killzone-2-20070824053739326.jpg
http://www.1up.com/media/03/6/5/8/lg/834.jpg?r
http://www.1up.com/media/03/6/5/8/lg/843.jpg?r
http://www.1up.com/media/03/5/7/7/lg/114.jpg?r
http://www.1up.com/media/03/4/4/6/lg/506.jpg?r
http://ps3media.gamespy.com/ps3/image/article/936/936134/killzone-2-20081205002216070.jpg
http://ps3media.gamespy.com/ps3/image/article/936/936134/killzone-2-20081205114434534.jpg
http://ps3media.gamespy.com/ps3/image/article/874/874787/killzone-2-20080516034140384.jpg
http://ps3media.gamespy.com/ps3/image/article/839/839080/killzone-2-20071203100321774.jpg
As you can see GoW2 again offers more variable environment, colors and locations. They are also more complex with different kind of shapes and looks. Of course, nobody knows what final KZ2 will offer.