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.
Trends. Since 1751 approximately 337 billion metric tonnes of carbon have been released to the atmosphere from the consumption of fossil fuels and cement production. Half of these emissions have occurred since the mid 1970s. The 2007 global fossil-fuel carbon emission estimate, 8365 million metric tons of carbon, represents an all-time high and a 1.7% increase from 2006.