Contrary to persistent claims by environmentalists, Methane is not an important greenhouse gas (GHG); it has a totally negligible impact on climate. Attempts to control methane emissions make little sense; the just-announced [Jan 14] White House plan to reduce emissions by 40 to 45% by 2025 ignores well-established ‘text-book’ science. Methane (chemical formula CH4) is the main component of natural gas. It may technically be defined as a greenhouse gas since it absorbs strongly in some portions of the infrared spectrum; but its impact on climate is insignificant. Its atmospheric level has been increasing because about half of the methane...