An Inconvenient Truth

Al Gore uses a scissor lift to make his point about a graph in An Inconvenient Truth

  A movie for every day of the year – a good one     16 September     Signing of the Montreal Protocol, 1987   On this day in 1987, the Montreal Protocol in Substances That Deplete the Ozone Layer was signed. It was designed to eliminate from use substances, largely chlorofluorocarbons (CFCs), which were deemed to be damaging the atmosphere, most particularly by destroying ozone, which absorbs large amounts of the sun’s ultraviolet radiation. It is the most universally ratified treaty in world history, Kofi Annan has called it “perhaps the single most successful international agreement to date”. Under the terms of the protocol, the use of CFCs – a propellant … Read more