Criticism of Greenpeace reported that one employee lost 3.8 millon euros by betting on fixed rate concurrency exchange when the euro was gaining against foreign currency. Internal leaked communications by Kumi Naidoo, executive director of Greenpeace, indicates a "huge problem" and that the staff have "good reason" to be upset. At the same time Pascal Husting, one of the top executives of the organization, was shown to commute several times a month during a two-year period between Luxembourg, his home residence, and Amsterdam, the Headquarters of Greenpeace. This is against the company's view that short flights add to the CO2 emissions and internal
Greenpeace participants advocating early phase-out of ozone depleting substances in the Montreal Protocol. In the early 1990s, Greenpeace developed a CFC-free refrigerator technology, "Greenfreeze" for mass production together with the refrigerator industry. United Nations Environment Programme awarded Greenpeace for "outstanding contributions to the protection of the Earth's ozone layer" in 1997. In 2011 two fifths of the world's total production of refrigerators were based on Greenfreeze technology, with over 600 million units in use. Currently Greenpeace considers global warming to be the greatest environmental problem facing the Earth. Greenpeace calls for global greenhouse gas emissions to peak in 2015 and to