A Foundational Conservation Story RevivedAncient writers observed that forests always recede as civilizations develop and grow. The great Roman poet Ovid wrote that before civilization began, even the pine tree stood on its own very hills but when ci...Lasīt vairāk
(Izdošanas datums: 27-Aug-2013, PDF+DRM, Izdevniecība: New World Library, ISBN-13: 9781608681334)
Even as concern over climate change and energy security fuel a boom in solar technology, many still think of solar as a twentieth-century wonder. Few realize that the first photovoltaic array appeared on a New York City rooftop in 1884, or that brill...Lasīt vairāk
(Izdošanas datums: 27-Aug-2013, EPUB+DRM, Izdevniecība: New World Library, ISBN-13: 9781608681334)
Even as concern over climate change and energy security fuel a boom in solar technology, many still think of solar as a twentieth-century wonder. Few realize that the first photovoltaic array appeared on a New York City rooftop in 1884, or that brill...Lasīt vairāk
