Shaun Donovan was sworn in as the 40th Director of the Office of Management and Budget on July 28, 2014. Donovan has committed his life to public service focused on good government and smart investment, while also building his leadership skills in the private, non-profit, and academic sectors.
A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.The primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone.Without greenhouse gases, the average temperature of Earth's surface would be about 15 Â°C (27 Â°F) colder than the present average of 14 Â°C (57 Â°F).he primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Without greenhouse gases, the average temperature of Earth's surface would be about 15 Â°C (27 Â°F) colder than the present average of 14 Â°C (57 Â°F).
Greenhouse Gases-The Dangers. Greenhouse gases are dangerous to the environment. The most prevalent greenhouse gas is carbon dioxide. Carbon dioxide and other greenhouse gases are released into the atmosphere by agricultural practices and by the burning of fossil fuels.reenhouse Gases-The Dangers. Greenhouse gases are dangerous to the environment. The most prevalent greenhouse gas is carbon dioxide. Carbon dioxide and other greenhouse gases are released into the atmosphere by agricultural practices and by the burning of fossil fuels.