DDSN contracts with local Disabilities and Special Needs (DSN) Boards and other providers to bring an array of services to your community. 1  Services are provided based on your needs, the appropriateness of the service to meet the need, and the availability of funding.
In the United States, greenhouse gas emissions come primarily from the burning of fossil fuels in energy use. Carbon Dioxide. Carbon Dioxide is the main greenhouse gas. In 2013, 82% of human-caused greenhouse gas emissions were carbon dioxide emissions, resulting from the burning of fossil fuels, solid waste, trees, wood, and other chemical reactions. Methane and Other Gases.
Global warming is driven partially by human pollution. The pollutants that contribute to global warming are commonly known as greenhouse gas emissions. Carbon dioxide is probably the best known greenhouse gas, but methane, nitrous oxide and fluorinated gases also play a role in driving climate change (see Reference 1).Human activities that cause global warming pollution can be best understand by examining the various sources of each type of greenhouse gas.arbon dioxide represents 85 percent of all greenhouse gas emissions emitted from human sources in the United States (See Reference 2).