Coal upgrading technology Coal upgrading technology Coal upgrading technology refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub-Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the United States are the principal drivers of the research, development and commercialisation of these technologies. Around 30 nations collectively operate more than 1,400 brown coal-fired power stations around the world. Brown coal power stations that cannot economically dewater brown coal are inefficient and cause of high levels of carbon emissions. High emitting power stations, notably the Hazelwood
Brown Bear, Brown Bear, What Do You See? Brown Bear, Brown Bear, What Do You See? Brown Bear, Brown Bear, What Do You See? is a children's picture book published in 1967. Written and illustrated by Bill Martin, Jr. and Eric Carle, the book is designed to help toddlers associate colors and meanings to objects. The book itself has little to no plot. Instead, the narrator asks various animals what they see with the response usually being another animal, the respondent is then asked what they themselves see, and the process is repeated. It features a Brown Bear, Red Bird, Yellow Duck, Blue Horse, Green Frog, Purple Cat,