Ecological Engagement Calendar 2017

Designed for use in the Northern Hemisphere, this revolutionary engagement calendar is organized according to the year's natural quarters, beginning with the winter solstice, 2015, and ending with the winter solstice, 2016. The weekly illustrations reflect the natural occurrences on Earth and in the sky, with four fold-out panels showing each season in full. Includes information on seasonally visible stars, the phases of the Moon and tides, the ratios of darkness and light, the seasonal behavior of Earth's creatures, and a host of other details about the natural world. Also offers timely notes on natural history, ecology and astronomy.
Mått 17.8 x 22.9 cm.