Below are five insider tips that can prevent you from getting ripped off, but read on before skipping to the good stuff. Your furnace is one of the most expensive appliances youâll ever buy for your home, due to the intense labor and all of the materials that are necessary for a proper installation.
Photo: Daniel Foster/Flickr. Critics of the natural gas extraction technique known as fracking have long criticized it for leaking too much methane â a potent greenhouse gas â into the atmosphere during the extraction process.he Environmental Protection Agency recently estimated that natural gas operations emitted about 145 million metric tons of methane in 2011, making it the biggest source of these emissions in the country.
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.