Bituminous coal Bituminous coal Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. It is of higher quality than lignite coal but of poorer quality than anthracite. Formation is usually the result of high pressure being exerted on lignite. Its coloration can be black or sometimes dark brown; often there are well-defined bands of bright and dull material within the seams. These distinctive sequences, which are classified according to either "dull, bright-banded" or "bright, dull-banded", is how bituminous coals are stratigraphically identified. Bituminous coal is an organic sedimentary rock formed by diagenetic and
What the Health funded via an Indiegogo campaign in March 2016, raising more than $235,000. The film was released globally on Vimeo on March 16, 2017, and screenings licensed through Tugg Inc. The following doctors were featured in the film: A number of non-physicians were also interviewed: The documentary has drawn criticism from many, including scientific skeptics, who contend that it misrepresents facts: A companion book of the same name was released February 2017. It was authored by Eunice Wong, who is married to journalist Chris Hedges. What the Health What the Health is a 2017 documentary film which critiques the health impact