Bircas Hachammah: Blessing of the Sun-Renewal of Creation, by J. David Bleich, I. David Bleich, and Nosson Scherman. This link is for the 1980 edition of this important book. A new, expanded 2009 edition (listed above) is also available.
Bircas Hachamah - New Expanded Edition, by Rabbi J. David Bleich. Blessing of the Sun, Renewal of Creation: A halachic analysis and anthology with a new translation and commentary.