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.
A potent greenhouse gas, methane is even more effective at trapping heat in the atmosphere than carbon dioxide (see Reference 5). Methane emissions come from a number of human sources, including coal mining, landfills, natural gas and petroleum production, wastewater treatment and even rice cultivation.arbon dioxide represents 85 percent of all greenhouse gas emissions emitted from human sources in the United States (See Reference 2).