Summary: Benjamin Kahane, an engineer who designs photovoltaic solar energy systems for SunEdison, summarizes the environmental consequences of coal and its extraction. Depending on how much pressure and temperature to which it has been subject, coal is a sedimentary or metamorphic rock comprised mostly of carbon. Coal is a fossil

Summary: Matthew Anderson, former director of the National Religious Partnership for the Environment (NRPE), discusses international adaptation to climate change as an important component of development work for the world's most vulnerable populations. An issue of emerging global concern is the increasing impact of climate change on the poorest developing

Summary: Benjamin Kahane, an engineer who designs photovoltaic solar energy systems for SunEdison, discusses oil, its many uses in our society, and how we can transition away from it. Petroleum — or, plainly, oil — has many applications in the industrial age. Petroleum is used to make plastics, lubricants, wax,